1  John MCDONALD 
   +  Margaret 
      2  Elizabeth MCDONALD (1 Nov 1868 Lochiel, ON – 22 Jan 1950 Alexandria, Ontario, Canada)
         +  Hugh WEIR (3 Aug 1866 Kenyon, Ontario, Canada – 25 Oct 1949 Alexandria, Ontario, Canada)
            3  Donald J. WEIR (Jun 1901 – )
            3  Anne Agatha WEIR (13 Feb 1903 Lochiel, Ontario, Canada – 1970)
               +  John “Kenneth” MARSHALL (19 May 1906 Thornbury, Ontario, Canada – aft Jul 1944)
            3  Joseph F. L. WEIR (Oct 1904 – )
            3  Hugh A. WEIR (Jan 1906 – )
            3  Catherine M. R. WEIR (Aug 1907 – )