Descendancy for Gerrit Jan Graswinckel: Our Family History

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 bur. 27 May 1779
  - 2 Christina Graswinkel ^[1.1] b. 24 Oct 1752 d. 20 May 1803
    - Hermannus Oosterdijk
      - 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