Gerrit Jan Graswinckel
1712 - 1770 (58 years)
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- 1 Gerrit Jan Graswinckel [1] b. 24 Jan 1712 d. 17 Mar 1770
- Maria Geertruijt van Alphen c. 25 Nov 1714 d. Yes, date unknown
- 2 Christina Graswinkel [1.1] b. 24 Oct 1752 d. 20 May 1803
- Hermannus Oosterdijk d. 6 Jul 1819
- 3 Johannes Hermannus Oosterdijk [1.1.1] b. 10 Oct 1790 d. 16 Jan 1861
- + Theodora Willemina Coops b. 25 Apr 1798 d. 30 Mar 1842
- + Theodora Willemina Coops b. 25 Apr 1798 d. 30 Mar 1842
- 3 Johannes Hermannus Oosterdijk [1.1.1]
- 2 Christina Graswinkel [1.1]