Donald married Maria Diantha Begg on 8 Mar 1864. Maria (daughter of James Begg and Eliza Eleanor Montgomery) was born on 31 Mar 1845 in Moose Creek, Stormont, Ontario, Canada; died on 31 Oct 1924. [Group Sheet] [Family Chart]

1. Elizabeth Melissa Forbes was born on 7 Oct 1867 in Dominionville, Kenyon, Glengarry, Ontario; died on 7 Jan 1946 in Vancouver, British Columbia, Canada; was buried in Maxville, Stormont, Ontario, Canada.
2. Alice Eleanor Forbes was born on 8 Jan 1870 in Dominionville, Kenyon, Glengarry, Ontario; died on 4 Jan 1955 in Dana Point, Orange, California, USA.
3. Laura Forbes was born on 6 May 1872 in Dominionville, Kenyon, Ontario, Canada; died on 2 Sep 1961 in Duluth, St Louis, Minnesota, USA.
4. Maria Diantha Forbes was born in 1875 in Dominionville, Kenyon, Glengarry, Ontario; died in 1958.
5. Frederick James Forbes was born in 1880 in Dominionville, Kenyon, Glengarry, Ontario; died in 1955 in Lawrence, Van Buren, Michigan.
6. Lillian Forbes was born in 1889 in Dominionville, Kenyon, Glengarry, Ontario; died in 1976 in Santa Monica, Los Angeles, California, USA.
7. Florence Forbes was born about 1891 in Dominionville, Kenyon, Glengarry, Ontario.