| Hartog van der Hak |
Samuel Kropveld (1822 - 1861) |
| Roosje Dalsheim |
Alida (Aaltje) Kropveld (1826 - 1907) |
| Daniel van der Hak | Bertha Kropveld |
| b. 20 Apr 1866, Sappemeer, Groningen, Netherlands. d. 1 Apr 1942, Noordbroek, Groningen, Netherlands. bur. occ. edu. rel. |
b. 9 Mar 1869, Hardenberg, Overijessel, Netherlands. d. 13 Mar 1943, Sobibor Death Camp, Biala Podleska, Poland. bur. occ. edu. rel. |