1. | Gertrude Katharine Jonas was born 1911, , Ontario, Canada; died 10 Jun 1977, London, Middlesex, Ontario, Canada; was buried , Fairmount Cemetery, Baden, Waterloo Region, Ontario, Canada. Gertrude — William Harold Petznick. William (son of John Gustav "Gustav" "Gus" Petznick and Anna Elizabeth "Elizabeth" Jahnke) was born 13 Jan 1907, Renfrew Village, Renfrew Co., Ontario; died 10 May 1987, Englehart, Temiskaming District, Ontario, Canada; was buried 13 May 1987, Fairmount Cemetery, Baden, Waterloo Region, Ontario, Canada. [Group Sheet]
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