1844 - 1877 (33 years)
| Kos, Geertruide | |
| B: | 1 Sep 1867 |
| Zijpe | |
| D: | 31 Oct 1867 |
| Zijpe | |
| Kos, Margaretha | |
| B: | 9 Dec 1868 |
| Zijpe | |
| D: | 4 Mei 1917 |
| Alkmaar | |
| Veer, Wilhelmus Theodorus | |
| B: | 1869 |
| Alkmaar | |
| M: | 3 Sep 1897 |
| Anna Paulowna | |
| D: | Yes, date unknown |
| Kos, Geertruida | |
| B: | 23 Feb 1871 |
| Anna Paulowna | |
| D: | 11 Mar 1871 |
| Anna Paulowna | |
| Kos, Geertruida Maria | |
| B: | 24 Sep 1872 |
| Anna Paulowna | |
| D: | Aft 1902 |
| Kos | |
| B: | 3 Oct 1874 |
| Anna Paulowna | |
| D: | Yes, date unknown |
| Kos, Klasina | |
| B: | 30 May 1877 |
| Anna Paulowna | |
| D: | 2 Jun 1877 |
| Anna Paulowna | |
| Kos, Grada | |
| B: | 30 May 1877 |
| Anna Paulowna | |
| D: | 3 Jun 1877 |
| Anna Paulowna | |
| Philipzen, Petronella | |
| B: | 19 Mar 1844 |
| Lakemond | |
| D: | 21 Jun 1877 |
| Anna Paulowna | |
| Kos, Cornelis | |
| B: | 13 Nov 1845 |
| Barsingerhorn | |
| M: | 6 Jul 1867 |
| Zijpe | |
| D: | 4 Jul 1932 |
| Anna Paulowna | |
