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Male Sir John deGrey Click to view Sir John deGrey in the family tree

Sir John's father was Sir John de Grey and his mother was Margaret de Odyngsells.  His paternal grandparents were Robert de Grey and Joan Valoines; his maternal grandparents were William de Odyngsells and Ela FitzWalter.  He was an only child.


Sir John's first family with Avice Marmion



Sir John's second family with Katherine Fitz Alan

They had a daughter named Maud.

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