Clayton married Katherine Ray von Oven on 5 Feb 1938 in Spokane County, Washington, USA. Katherine (daughter of Adelbert Otto von Oven and Sue Lettie Cain) was born on 25 Dec 1913 in Spokane, Spokane County, Washington, USA; died on 12 Sep 1996 in Multnomah County, Oregon, USA; was buried in Spokane, Spokane County, Washington, USA. [Group Sheet] [Family Chart]