1. | Derk Jan Boomkamp died on 22 Dec 1999. Family/Spouse: Jantje Ketz. Jantje (daughter of Hermanus Albertus Ketz and Jantje Scheffer) was born on 25 Dec 1919 in Zelhem; died on 22 Feb 2011 in Doetinchem; was buried on 28 Feb 2011 in Zelhem. [Group Sheet] [Family Chart] |