Maertje married Roel Gerritszn. van den Kerckhof on 8 Feb 1689 in Pijnacker. Roel (son of Gerrit Cornelisz. Kerckhoff and Maertge Roelantsdr van der Marel) was born in 1660; died on 1 Dec 1725 in Delft. [Group Sheet] [Family Chart]