He was a son of John Landreth and Sibella "Sibby" Hutchins.
He married Sarah Jane Alley 4 May 1867 in Rockingham County, N.C. They had 4 children. *** Then he got "a mail-order-bride" from Wisconsin and her name was Sarah Jane too. John and Sarah Jane Comer Howard or Sarah Jane Howard Comer were married in Charlotte, N.C in 1906 when he was 59 and she was 56. They resided in Madison, N.C. (in Rockingham County) They had been writing to each other for a while and must have gotten to like each other very much! :O) ***