John married Mildred Kamps on 23 Feb 1962 in Holland, Ottawa, Michigan. Mildred (daughter of Gradus Kamps and Hendrickje Timmer) was born on 29 Apr 1924 in Jamestown Twp, Michigan; died on 28 Nov 1991 in Holland, Ottawa, Michigan, USA; was buried in Jamestown, Ottawa County, Michigan, United States of America. [Group Sheet] [Family Chart]