| ANCESTORS ON BRUCE'S MOTHER'S SIDE |
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| BEATTIE |
| Great-great grandfather William Beattie |
| O'BRIEN |
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| Great-great grandmother Catherine McCabe |
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| Great-great grandfather James O'Brien |
| SUMNER and THOMSON |
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| Great-great grandmother Helen Thomson (nee Pringle), great-great grandmother Beatrice Pringle (nee Scott), great-grandmother Beatrice Sumner (nee Thomson), grandmother Helen Beattie (nee Sumner), great-grandfather Cyrus Sumner, great-great-great grandmother Sarah Roots (nee Lee), great-great grandmother Mary Sumner (nee Root) |
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| Great-great grandfather Andrew Thomson, his son James, his daughter (great grandmother) Beatrice, his son William and great-great grandmother Beatrice Scott |
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| Great-great grandfather Ralph Bell Sumner |