Gerardus married Josephine Jacoba van Ast on 13 Jul 1900 in Amsterdam, NH, NLD, and was divorced on 11 Apr 1913 in Amsterdam, NH, NLD. Josephine (daughter of Karel Cornelis van Ast and Josephina Jacoba Zwevers) was born about 1879 in Amsterdam, NH, NLD; died on 04 Feb 1937 in Kortezwaag, Opsterland, FR, NLD. [Group Sheet] [Family Chart]