Roy married Mary "Mae" Agnes McHugh on 27 Nov 1904 in Detroit, Wayne, Michigan, United States. Mary (daughter of Philip A. McHugh and Jane McGuigan) was born on 27 Feb 1883 in Maidstone, Essex, Ontario, Canada; was christened on 11 Mar 1883 in Woodslee, Essex, Ontario, Canada; died on 18 Sep 1906 in Detroit, Wayne, Michigan, United States; was buried on 21 Sep 1906 in Detroit (Mt. Olivet), Wayne, Michigan, United States. [Group Sheet] [Family Chart]

1. Leroy A. Grenier was born on 7 Sep 1905 in Detroit, Wayne, Michigan, United States; died on 3 Jun 1977 in Denton, Roscommon, Michigan, United States.

Roy married Mabel G. Baldwin on 25 Aug 1909 in Windsor, Essex, Ontario, Canada. Mabel was born in 1884; and died. [Group Sheet] [Family Chart]