1  Mary MCROBERTS (1815 – 1893)
   +  Thomas GUEST (1805 – 1857)
      2  Ann GUEST (1840 Kinloss, Ontario, Canada – 12 Nov 1926)
         +  Thomas Foster COLLINS (2 Sep 1838 Ramsay Twp, Lanark Co, Ontario, Canada – 10 Mar 1923 Kincardine, Ontario, Canada)