First marriage to Mary J. Murray. They had three children together.
Second marriage to Sarah Miller 31 Jan 1882 Cheney, Spokane, Washington. They were the parents of eleven children. ________________
History of Eighty-fifth Regiment, Illinois Volunteer Infantry by Henry J. Aten, 1901
ROSTER OF COMPANY D
Pages 405 & 406
JOHN SIZELOVE was born in Franklin county, Indiana, March 18, 1845, removed to Illinois in 1856 with his parents and enlisted as a farmer from Bath. He served with his company until captured at the battle of Peach Tree creek, Georgia, July 19, 1864, and was held in rebel prisons until the close of the war, when he was honorably discharged from Springfield, Ill., July 22, 1865. He removed to Washington Territory in 1881, and engaged in farming in Stevens county; was appointed postmaster at Calispell in 1890 and again in May, 1900. His address is Calispell, Stevens county, Washington.