John married Irene May VANDERBURGH on 25 Dec 1900 in Welland, Ontario, Canada. Irene (daughter of George VANDERBURGH and Elinor Laurie BRUCE) was born on 12 Feb 1874 in Thorold Township, Welland Co, Ontario, Canada; died in Nov 1955 in Sault Sainte Marie, Algoma, Ontario, Canada; was buried in Sault Sainte Marie, Algoma District, Ontario, Canada. [Group Sheet] [Family Chart]

1. Oscar Vanderburg MITTLEFEHLDT was born on 23 Aug 1902 in Lincoln, Ontario, Canada; died on 11 Sep 1902 in Lincoln, Ontario, Canada.
2. Jeanette Catherine Mae MITTLEFEHLDT was born on 2 Sep 1903 in Lincoln, Ontario, Canada; died on 25 Mar 1969 in Niagara Falls Ontario .
3. Bertha Emma Roxanna MITTLEFEHLDT was born on 9 Dec 1904 in Lincoln, Ontario, Canada; died on 21 Feb 1905 in Lincoln, Ontario, Canada.
4. Edith Blanch MIDDLEFEHLDT was born on 24 May 1907 in Gainsborough, Lincoln County, Ontario, Canada; died on 25 May 1907 in Gainsborough, Lincoln County, Ontario, Canada.
5. Durand Ramplon MITTLEFEHLDT was born on 18 Jul 1909 in Lincoln, Ontario, Canada; died on 1 Aug 1909 in Elcho, Lincoln, Ontario, Canada.
6. Nora MITTLEFEHLDT, Twin was born on 13 Apr 1912 in Lincoln, Ontario, Canada; died on 13 Apr 1912 in Lincoln, Ontario, Canada.
7. John Norris MITTLEFEHLDT, Twin was born on 13 Apr 1912 in Lincoln, Ontario, Canada; died on 2 Jul 1912 in Lincoln, Ontario, Canada.
8. Baby MITTLEFEHLDT was born on 6 Dec 1913 in Elcho, Lincoln, Ontario, Canada; died on 7 Dec 1913 in Elcho, Lincoln, Ontario, Canada.
9. James Frederick Bruce MITTLEFEHLDT was born about 1915 in Elcho, Ontario, Canada; died in 1981 in Algoma, Ontario, Canada; was buried in Richards Landing, Algoma District, Ontario, Canada.