Duncan married Florence Etha Bennie on 25 Oct 1916 in Westmeath Township, Renfrew County, Ontario, Canada. Florence (daughter of Robert Bennie and Mary Elizabeth Condie) was born on 8 Feb 1898 in Westmeath Township, Renfrew County, Ontario, Canada; died in 1967 in Renfrew County, Ontario, Canada. [Group Sheet] [Family Chart]