|  |  | Barthold Jacob Suermondt b.1810 d.1878
|  | Gualtherus Gustaaf Suermondt b.1856 d.1916
| stiefdochter Suermondt b. d. |  |  | Geertruid Cornelia Kolff b.1814 d.1894
| Gustaphine Adolphine Suermondt b.1887 Soerabaija, IDN d.1912 Loeboek Basoeng, IDN |  |
|  |  | Matthijs Koenen b. d.
|  | Helena Sophia Caroline Koenen b.1864 Soerabaija, IDN d.1933 's-Gravenhage, ZH, NLD |  |  | Hendricus (Joannes Lautenslager b.1813 Utrecht, UT, NLD d.1862 Malang, IDN |
|  |  | Johanna Lautenslager b.1843 Joure, FR, NLD d.1928 's-Gravenhage, ZH, NLD |  | Roelofina (Roelfje Roelofsma b.1818 Sappemeer, GR, NLD d. |