Ancestors of David Andrew Humphrey

                     /--Robert Hugh Humphrey
             /--Robert Gordon Humphrey
             |       \--Doris Jean Garnham
David Andrew Humphrey
             |               /--James Cassells
             |       /--Alexander Davidson Thomson Cassells  b. 17 JUN 1911 at Dundee, Scotland  d. 23 JUL 1976
             |       |       \--Mary Thompson
             \--Mary Louise Cassells
                     |       /--Abram Eugene Muma  b. 14 SEP 1882 at Arkona, Lambton County, Ontario, Canada  d. 4 JUL 1935
                     \--Kathryn Louise Muma
                             \--Clara Louise Summers  b. 2 JUL 1889 at Aylmer, Malahide Twp., Elgin County, Ontario, Canada  d. 28 JAN 1973