Rosario married Donalda Elizabeth St. Onge on 2 Dec 1922 in Edmonton, Alberta, Canada, and was divorced on 15 Aug 1939. Donalda (daughter of Aldege Joseph St. Onge and Azilda Raymond) was born on 17 Jul 1902 in St. Philippe, Argenteuil, Quebec, Canada; was christened on 29 Jul 1902 in St. Philippe, Argenteuil, Quebec, Canada; died on 14 Jul 1940 in Detroit, Wayne, Michigan, United States; was buried on 16 Jul 1940 in Detroit (Mt. Olivet), Wayne, Michigan, United States. [Group Sheet] [Family Chart]

1. Joseph Reald Guillaume was born on 12 Oct 1923 in Detroit, Wayne, Michigan, United States; was christened on 28 Oct 1923 in Detroit (Ste. Anne), United States; died on 9 Jun 1969 in Eloise, Wayne, Michigan, United States; was buried in 1969 in Howell, Livingston, Michigan, United States.
2. Donald Guillaume was born on 22 Jun 1929 in Detroit, Wayne, Michigan, United States; died on 22 Apr 1930 in Detroit, Wayne, Michigan, United States; was buried on 23 Apr 1930 in Detroit (St. Hedwig), Wayne, Michigan, United States.
3. Gaetane Guillaume and died.