Oswald was the son of sir William Abernethy and Margaret Borthwick. The date and place of his birth have not been found.
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sir William Abernethy |
William George de Abernethy |
George de Abernethy |
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Mary Stewart |
Robert Stewart |
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Mary Margaret Graham |
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Margaret Borthwick |
sir William de Borthwick |
sir William de Borthwick |
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Bethoc Sinclair |
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Rachel de Haya |
Thomas de la Haye |
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Jean Giffard |
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