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

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