Marmaduke was the son of Geoffrey de St. Quintin and Margery Constable. The date and place of his birth have not been found.
Geoffrey de St. Quintin |
sir Galfrid de St. Quintin |
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Alice de Ros |
sir William de Ros |
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Eustache FitzHugh |
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Margery Constable |
Robert Constable |
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Katherine de Mauley |
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