WOLTMAN                                                                                                                 RINGMA
                                                                                                                                                                                                          VI.1       J.H.                                                                                                       +-IX.1-------Saskia
                                                                                                                                                                                                                                                                                                                                |
                                                                                                                                                                                                                     x 18-08-1921                                                                                               |
                                                                                                                                                                                                                     RINGMA                                  RINGMA                                  RINGMA                     |            RINGMA
                                                                                                                                                                                                        +-VI.2-------Wikje                      +-VII.1------Albert Douwe               +-VIII.1-----Albert Karel               +-IX.2-------Maike
                                                                                                                                                                                                        |            31-03-1887                 |            30-01-1924                 |                                       |
                                                                                                                                                                                                        |                                       |            x--------------------------+            x--------------------------+
                                                                                                                                                                                                        |            RINGMA                     |            WENSVOORT                               KONING                     |            RINGMA
                                                                                                                                                                                                        +-VI.3-------Pieter                     | VII.2      Jean                         VIII.2     Jeannette                  +-IX.3-------Yvonne
                                                                                                                                                                                                        |            06-04-1889                 |
                                                                                                                                                                                                        |                                       |
                                                                                                                                                                                                        |            RINGMA                     |
                                                                                                                                                                                                        +-VI.4-------Jeltje                     |
                                                                                                                                                                                                        |            08-06-1891                 |
                                                                                                                                                                                                        |                                       |
                                                                                                                                                                                                        |                                       |                                                                                            de GRAAF
                                                                                                                                                                                                        |                                       |                                                                               +-IX.4-------Julie
                                                                                                                                                                                                        |                                       |                                                                               |            ± 1982
                                                                                                                                                                                                        |                                       |                                                                               |
             ?                                       HESSELS                                 RINGSMA                                 RINGSMA                                 RINGMA                     |                                       |                                                    de GRAAF                   |            de GRAAF
  I.1        Hessel-----------------------II.1-------Pieter                     +-III.1------Keimpe                     +-IV.1-------Pieter                     +-V.1--------Douwe                      |                                       |                                         VIII.3     Hans                       +-IX.5-------Roelof
             circa 1700 tot circa 1775               tot voor 1811              |            circa 1797                 |            07-06-1830 tot 03-02-1878  |            11-09-1858 tot 17-02-1941  |                                       |                                                    ± 1955                     |            ± 1984
                                                     x--------------------------+            x--------------------------+            x--------------------------+            x--------------------------+                                       |                                                    x--------------------------+
                                                     RITSKES                                 IDSINGA                                 BOUMA                                   STOFFELS                   |                                       |            RINGMA                                  RINGMA                     |            de GRAAF
                                          II.2       Trijntje                     III.2      Trijntje                     IV.2       Wikje                        V.2        Hendrikje                  |                                       +-VII.3------Douwe Hendrik              +-VIII.4-----Bonnie                     +-IX.6-------Maarten
                                                                                                                                                                             15-05-1866 tot 11-07-1928  |                                       |            11-04-1925                 |            ± 1955                     |            ± 1990
                                                                                                                                                                                                        |                                       |            x--------------------------+                                       |
                                                                                                                                                                                                        |                                       |            KUIJKEN                    |            RINGMA                     |            de GRAAF
                                                                                                                                                                                                        |                                       | VII.4      Jopie                      +-VIII.5-----Rik                        +-IX.7-------Michiel
                                                                                                                                                                                                        |                                       |                                                                                            ± 1990
                                                                                                                                                                                                        |                                       |                                                    x 17-02-1995
                                                                                                                                                                                                        |            RINGMA                     |                                                    BOOGAART
                                                                                                                                                                                                        +-VI.5-------Keimpe                     |                                         VIII.6     Dingena
                                                                                                                                                                                                        |            21-12-1893 tot 05-05-1990  |
                                                                                                                                                                                                        |            x 03-05-1923---------------+
                                                                                                                                                                                                        |            JANSSEN                    |
                                                                                                                                                                                                        | VI.6       Petronella Hendrika Wilhe  |
                                                                                                                                                                                                        |            21-11-1900 tot 16-07-1996  |
                                                                                                                                                                                                        |                                       |
                                                                                                                                                                                                        |            van ENGEL                  |            RINGMA                                  PEGEL                                   PEGEL
                                                                                                                                                                                                        | VI.7       A.B.                       +-VII.5------Karel Herman                 VIII.7     Carel Johannes             +-IX.8-------Kimberley Birgitte
                                                                                                                                                                                                        |                                       |            23-03-1927                              17-02-1957                 |            12-07-1996
                                                                                                                                                                                                        |            x 17-07-1925               |            x 29-03-1956---------------+            x 15-02-1990---------------+
                                                                                                                                                                                                        |            RINGMA                     |            GORTER                     |            RINGMA                     |            PEGEL
                                                                                                                                                                                                        +-VI.8-------Grietje                    | VII.6      Helena Sibbeltje           +-VIII.8-----Carolina Helena            +-IX.9-------Robin Carel
                                                                                                                                                                                                                     14-08-1898                 |            15-12-1925                              24-04-1959                              10-11-1999
                                                                                                                                                                                                                                                |
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                                                                                                                                                                                                                                                |
                                                                                                                                                                                                                                                |            RINGMA                                  RINGMA
                                                                                                                                                                                                                                                +-VII.7------Peter----------------------+-VIII.9-----Karel
                                                                                                                                                                                                                                                |            30-11-1932                 |
                                                                                                                                                                                                                                                |                                       |
                                                                                                                                                                                                                                                |            RINGMA                     |            RINGMA
                                                                                                                                                                                                                                                +-VII.8------Hermina                    +-VIII.10----Frans
                                                                                                                                                                                                                                                |            28-02-1938
                                                                                                                                                                                                                                                |
                                                                                                                                                                                                                                                |            RINGMA
                                                                                                                                                                                                                                                +-VII.9------Steven
                                                                                                                                                                                                                                                |            10-03-1940
                                                                                                                                                                                                                                                |
                                                                                                                                                                                                                                                |            RINGMA
                                                                                                                                                                                                                                                +-VII.10-----Margaretha
                                                                                                                                                                                                                                                             22-01-1944

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