1. | Klaas Oenzes Sinnema was born about 1829 in Leeuwarden, FR, NLD. Klaas married Antje Simons Vermeulen on 16 Nov 1858 in Leeuwarden, FR, NLD. Antje (daughter of Simon Vermeulen and Aafke Wagter) was born on 29 Nov 1827 in Leeuwarden, FR, NLD. [Group Sheet] [Family Chart] |