Henry married Julia McDowell on 4 Nov 1869 in Huron County, Ontario, Canada. Julia (daughter of William J, McDowell, Sr. and Phoebe Euphemenia Densmore) was born on 10 May 1852 in Lancaster, New York, USA; died on 27 Sep 1932 in Freeland, Michigan, USA; was buried on 29 Sep 1932 in Pine Grove Cemetery, Freeland, Michigan, USA. [Group Sheet] [Family Chart]

1. John Amos Manwell was born on 27 Aug 1886 in Freeland, Michigan, USA; died on 17 May 1956 in Saginaw, Michigan, USA.
2. Phillip Raymond Manwell was born on 30 Jan 1890 in Merrill, Michigan, USA; died on 9 Aug 1972 in Merrill, Michigan, USA; was buried in Pine Grove Cemetery, Freeland, Michigan, USA.
3. Mabelle A. Manwell was born on 18 Sep 1891 in Freeland, Michigan, USA; died on 12 Dec 1969 in Saginaw, Michigan, USA; was buried in Laporte Cemetery, Laporte, Michigan, USA.