1  Mary BYRNES (1863 – 1898)
   +  Samuel DRUMMOND (1858 – 1940)
      2  Ivy Mae DRUMMOND (19 Jul 1898 Ramsay, Ontario, Canada – 27 Mar 1975 Carleton Co, Ontario, Canada)
         +  Thomas George Clifford GREENE (12 Sep 1893 – 1983 Fitzroy, Ontario, Canada)
            3  William Aubrey GREENE (7 Jan 1921 – 27 Jul 1979)