Willem married Klaaske Fokkes Plantinga on 18 May 1822 (Civil) in Hennaarderadeel. Klaaske (daughter of Fokke Rienses Plantinga and Hotsche Sieks Postma) was born on 15 Aug 1799 in Bolsward; was christened on 8 Sep 1799 in Bolsward; died on 30 Apr 1871 in Edens. [Group Sheet] [Family Chart]