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

John was born about 1253 in Clayton, Yorkshire, England.  John's father was John Byron and his mother was Joan Thies.  His paternal grandparents were Robert Byron and Maud; his maternal grandparents were Baldwin Thies and Unknown.  He was an only child.  He died in 1339.


John's first family with Alice Banastre

‌John and Alice were married in a religious ceremony about 1283.  They had a son and a daughter, named Richard and Margery.


John's second family

He had a biological daughter named Margery.

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