Family: Ronald Thompson Duncan / Erma Gillett (F2256)
m. 11 May 1901-
Male
Ronald Thompson Duncan
Birth 21 Aug 1877 Petrolia, Lambton, ONT 
Death 10 Feb 1943 Detroit, Wayne, MI Burial Forest Lawn Cemetery, Detroit, MI Marriage 11 May 1901 Lambton Co, ONT Father Joseph Duncan | F10000 Group Sheet Mother Jean Calvert | F10000 Group Sheet
Female
Erma Gillett
Birth 21 Aug 1881 Yarmouth, Elgin, ONT Death Burial Father William Edward Gillett | F2253 Group Sheet Mother Harriet Adelia Welding | F2253 Group Sheet
Female
+ Dorothy Gertrude Duncan
Birth 30 Aug 1904 Petrolia, Lambton, ONT Death 1 Jan 1999 Clinton, Macomb, MI Burial Cadillac Memorial Gardens-East, Clinton, MI Spouse Charles A Bishop | F5186 Marriage 14 Nov 1923 Michigan Spouse Russell G Miller | F5183 Marriage 29 Jun 1925 St Johns, Clinton, MI Spouse James P Cunningham | F9997 Marriage 25 Jul 1942 Lucas Co, OH
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Notes - from "Ontario, Canada, Marriages, 1826-1937" (ancestry.com)
On 11 May 1901 in Lambton Co, ONT, Ronald Duncan, 25, a driller, residing Petrolia, born Petrolia to Joseph Duncan & Jean Calvert, married Erma Gillett, 20, residing Petrolia, born Sparta to William Gillett & Adelia Welding.
- from "Ontario, Canada, Marriages, 1826-1937" (ancestry.com)