+---------------------------
                                                                                                                                  | BERKENBOSCH               |
                                                                                                                                  | Roelof                    |
                                                                                                                                  | * 30-05-1830 Beilen       |
                                                                                                                                  |                           |
                                                                                                                                   ----------------------------
                                                                                                                                    x 12-12-1849 Assen
                                                                                                                                  +---------------------------
                                                                                                                                  | WOUDMAN                   |
                                                                                                                        +---------+ Hermina                   |
                                                                                                                        |         | * 11-03-1829 Hijken (Beil |
                                                                                                                        |         | + 14-04-1871 Assen        |
                                                                                                                        |          ----------------------------
                                                                                                                        |
                                                                                                                        |         +---------------------------
                                                                                                                        |         | WOUDMAN                   |
                                                                                                                        +---------+ Gerrit                    |
                                                                                                                        |         | * 02-06-1831 Vries        |
                                                                                                                        |         |                           |
                                                                                                                        |          ----------------------------
                                                                                                                        |
                                                                                                                        |         +---------------------------
                                                                                                                        |         | VAN DEN BOSCH             |
                                                                                                                        |         | Antonie                   |
                                                                                                                        |         | * Ca. 1823 Zwolle         |
                                                                                                                        |         |                           |
                                                                                                                        |          ----------------------------
                                                                                                                        |           x 26-11-1854 Assen
                                                                                          +---------------------------  |         +---------------------------
                                                                                          | WOUDMAN                   | |         | WOUDMAN                   |
                                                                                          | Pieter                    | +---------+ Aaltje                    |
                                                                                          | * 29-03-1805 Meppel       | |         | * 16-06-1833 Vries        |
                                                                                          | + 09-01-1875 Assen        | |         | + 21-01-1871 Assen        |
                                                                                           ---------------------------- |          ----------------------------
                                                                                            x---------------------------+
          +---------------------------            +---------------------------            +---------------------------  |         +---------------------------
          | ZURING                    |           | ZURING                    |           | ZURING                    | |         | BUNING                    |
  I       | Gerrit                    | +-II------+ Harm                      | +-III-----+ Henderkien (Hendrikje)    | |         | Jan                       |
          | *                         | |         | * 12-08-1764 Anloo        | |         | * 18-05-1800 Rolde        | |         | *                         |
          |                           | |         | + 14-10-1829 Rolde        | |         | + 09-03-1838 Vries        | |         |                           |
           ---------------------------- |          ---------------------------- |          ---------------------------- |          ----------------------------
            ----------------------------+           ----------------------------+                                       |           x 03-06-1863 Assen
          +---------------------------            +---------------------------  |         +---------------------------  |         +---------------------------
          | JUSSINE                   |           | GERRITS                   | |         | ZURING                    | |         | WOUDMAN                   |
          | Hendrikje                 |           | Aaltien (Aaltje)          | +---------+ Gerrit                    | +---------+ Harmtien                  |
          | *                         |           | *                         |           | * 27-03-1813 Rolde        | |         | * 20-02-1836 Vries        |
          |                           |           |                           |           | + 26-08-1832 Willemstad   | |         | + 18-07-1866 Assen        |
           ----------------------------            ----------------------------            ---------------------------- |          ----------------------------
                                                                                                                        |
                                                                                                                        |         +---------------------------
                                                                                                                        |         | WOUDMAN                   |
                                                                                                                        +---------+ Harm                      |
                                                                                                                                  | * 19-02-1838 Vries        |
                                                                                                                                  | + 27-01-1905 Assen        |
                                                                                                                                   ----------------------------
                                                                                                                                    x 03-06-1863 Assen
                                                                                                                                  +---------------------------
                                                                                                                                  | VOS                       |
                                                                                                                                  | Mijntje                   |
                                                                                                                                  | *                         |
                                                                                                                                  |                           |
                                                                                                                                   ----------------------------