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Male John De Byron Click to view John De Byron in the family tree

John was born in Clayton, Yorkshire, England.  John's father is John De Byron and his mother is Joan Tyes.  His paternal grandparents are Robert De Byron and Matilda; his maternal grandfather is Baldwin Tyes.  He is an only child.


John's family with Alice

‌John and Alice were married in a religious ceremony about 1283.  They have a daughter named Margery.

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