Mary married William "Nelson" Begg on 18 Jul 1901 in Gravel Hill, Roxborough, Stormont, Ontario, Canada. William (son of James Begg, Jr and Louisa "Lucy" Campbell) was born on 5 Jun 1873 in Gravel Hill, Roxborough, Stormont, Ontario, Canada; died on 27 Mar 1949 in Gravel Hill, Roxborough, Stormont, Ontario, Canada; was buried in Gravel Hill, Roxborough, Stormont, Ontario, Canada. [Group Sheet] [Family Chart]

1. Cecil Elsworth Begg was born on 12 Jun 1903 in Gravel Hill, Roxborough, Stormont, Ontario, Canada; died on 25 Dec 1970 in Bowmanville, Durham, Ontario, Canada; was buried in Gravel Hill, Stormont, Ontario, Ontario, Canada.
2. James "Clinton" Begg was born on 11 Feb 1905 in Gravel Hill, Roxborough, Stormont, Ontario, Canada; died on 11 Apr 1983 in Detroit, Wayne, Michigan, USA; was buried in Livonia, Hathaway Cemeter, Mi.
3. J Vernon Stewart Begg was born on 31 Aug 1907 in Gravel Hill, Roxborough, Stormont, Ontario, Canada.