Geert Lahman
| Family | Pedigree | Reports |
| Geert Lahman |
| b. 11 May 1861 |
| d. 17 Nov 1918 |
| Harm Lahman |
| b. abt 1835 |
| d. |
| Enne Harmsen |
| b. 12 Sep 1838 |
| d. 10 Mar 1921 |
| Family | Pedigree | Reports |
| Geert Lahman |
| b. 11 May 1861 |
| d. 17 Nov 1918 |
| Harm Lahman |
| b. abt 1835 |
| d. |
| Enne Harmsen |
| b. 12 Sep 1838 |
| d. 10 Mar 1921 |