1  Mabel Gertrude COWAN (22 Feb 1878 – aft 1921)
   +  Frank Ettur VANDERVOORT (20 Jul 1877 – 2 Jun 1909 Morden, Manitoba, Canada)
      2  Eva Thelma “Thelma” VANDERVOORT (26 Apr 1903 – )
      2  Anna Bell VANDERVOORT (Apr 1908 Manitoba, Canada – 21 May 1920 Winnipeg, Manitoba, Canada)