Derk Kamphuis
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- 1 Derk Kamphuis [1]
- Maria van Olst
- 2 Hermina Kamphuis [1.1] b. Abt 1829
- Dirk de Graaf b. 5 Feb 1827
- 3 Frederika de Graaf [1.1.1] b. 5 Apr 1864
- Marinus Hendrikus Janssen Steenberg b. 19 Oct 1868
- 4 Hermina Janssen Steenberg [1.1.1.1]
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- 4 Hermina Janssen Steenberg [1.1.1.1]
- 3 Frederika de Graaf [1.1.1]
- 2 Hermina Kamphuis [1.1]