John Alexander Walker, born in October 1810, married Elizabeth McDowell Isenhower on 17 Apr 1834. John died 3 Sep 1884 in Roanoke, Virginia, and Elizabeth died 23 Feb 1869 in Rockbridge County. They had ten children. Their son George Alexander Walker, born 9 Feb 1838, married Mary Francis Dudley on 26 Jul 1859 in Rockbridge County.