Mark married Gladys J Ritter Burns 2 Feb 1928, Saint Joseph, MO. Gladys (daughter of John N Ritter and Jessamine White Ritter) was born 30 Jan 1907, Saint Joseph, MO; died 1 Feb 1999, Liberty, MO; was buried 4 Feb 1999, Graceland Cemetery, Weston, MO. [Group Sheet]