Ralph married Mary Margaret Koehler on 11 Nov 1967 in Illinois, USA. Mary (daughter of John Koehler and Anna Catherine Schreiner) was born on 10 May 1913 in Rock Island, Rock Island County, Illinois, USA; died on 5 Nov 2008 in Heartland Health Care Center, Moline, Rock Island County, Illinois, USA; was buried on 10 Nov 2008 in Calvary Mausoleum, Rock Island, Rock Island County, Illinois, USA. [Group Sheet] [Family Chart]