Alfred married Charlotte Elizabeth Strang 12 Apr 1882. Charlotte (daughter of Ephraim Allen Strang and Mary Rix) was born 2 Jan 1859, Burton, , Prince Edward Island, Canada; died 25 Jan 1939, North Tryon, , Prince Edward Island, Canada; was buried , Tryon Peoples Cemetery, Tryon, , Prince Edward Island, Canada. [Group Sheet]

1. Elsie May Duncan was born 17 Jul 1883, Burton, , Prince Edward Island, Canada; died 6 Jan 1957; was buried , North Tryon Presbyterian Cemetery, North Tryon, , Prince Edward Island, Canada.
2. Jutson Solomon Duncan was born 28 Jan 1885; died 9 May 1948; was buried , Lakeview Cemetery, Midland, , Ontario, Canada.
3. Isabel Duncan was born 1886; died 24 Dec 1919; was buried , Fredericton Peoples Cemetery, Fredericton, , Prince Edward Island, Canada.
4. Lulu Etta Duncan was born Abt 1887; died Abt 1891.