| Dietrich Christoff Johannes Bostelmann (1856 - 1915) |
|
| Maria Catherina Holtermann (1860 - 1937) |
| Ernst Achterberg | Marie Bostelmann |
| bd. 11 May 1882 occ. edu. rel. dd. brd. |
bd. 11 May 1886 occ. edu. rel. dd. 10 Mar 1964 brd. |
| Paul Achterberg Ervin Achterberg Albert Achterberg Irene Dorothea Achterberg Adele Achterberg |