Family/Spouse: Robert Osborn Jr. SUMTER. Robert (son of Robert Osborn Sr. SUMTER and Silena (Twin) TURNBULL) was born on 16 Jan 1904 in Choctaw County, Indian Territory, Oklahoma; died on 30 Apr 1988 in Cleveland County, Oklahoma; was buried in 100f Cemetery, Norman, Cleveland County, Oklahoma. [Group Sheet] [Family Chart]