John Dunbar III (son of John Dunbar II and Ann McBride) was born 1763 in Augusta Co., Virginia.He married Elizabeth Osborne on 11 Feb 1783 in Greenbriar Co., West Virginia, daughter of John A Osborne and Elizabeth Betty Claypool. More About John Dunbar III and Elizabeth Osborne: Marriage: 11 Feb 1783, Greenbriar Co., West Virginia.