Achterhoek Ancestors
Garrit Jan Oonk
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- 1 Garrit Jan Oonk [1]
- Henderse Koolmans
- 2 Jan Derk Oonk [1.1] b. 25 Apr 1804
- Johanna Margaretha Leijttink b. 19 Oct 1806
- 3 Gerrit Jan Oonk [1.1.1] b. 09 Oct 1841
- 3 Garrit Willem Oonk [1.1.2] b. 28 Jun 1845
- Johanna Margaretha Leijttink b. 19 Oct 1806
- 2 Jan Derk Oonk [1.1] b. 25 Apr 1804
- Henderse Koolmans