Robert married Clara Faye Callison on 31 May 1968 in Tulsa, Tulsa County, Oklahoma, USA. Clara (daughter of Foster Farmer Callison and Clara Mabele Custer) was born on 16 Jun 1936 in Okemah, Okfuskee County, Oklahoma, USA; died on 14 Jun 1996 in Tulsa, Tulsa County, Oklahoma, USA. [Group Sheet] [Family Chart]