Wytze Keis Postma - Pedigree | FamilyCentral
 1 Jul 1820 -
 Abt 1782 - 5 Apr 1863
 16 Dec 1742 - 3 Sep 1822
 13 Apr 1752 - 12 Aug 1822
Froukjen Jans Vonk
 md. 16 May 1847
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