I haven't identified John's father yet; ;however, there is a public tree on ancestry.com that lists John's father as George Bowman, b. 15 Oct 1812 in Hagerstown, Maryland; d. 28 Jul 1894 in Ashland county, Ohio. His mother is also listed as Anna Maria Miller, b. 1780 • Hagerstown, Maryland. and died in 1830. Be aware, this information has not been proven but may be a place focus your research. You can access my tree on ancestry if you need other info. My ancestry username is sherribear661.