1. | Gerrit Johannes Schaap was born about 1817 in Workum, FR, NLD. Gerrit married Maartje Frederiks van der Boom on 27 May 1849 in Medemblik, NH, NLD. Maartje (daughter of Frederik Sieses van der Boom and Elisabeth Gerrits) was born about 1823 in Medemblik, NH, NLD. [Group Sheet] [Family Chart] |