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

John was born about 1278 in Blankney, Lincolnshire, England.  John's father was Sir Edmund Deincourt and his mother was Isabel de Mohun.  His paternal grandparents were John II Deincourt and Agnes de Neville; his maternal grandparents were Sir Reynold II de Mohun and Isabel de Ferrers. He had a sister named Margaret.  He was the older of the two children.  He died in Emley, Yorkshire, England.


John's family

He had a biological son named Sir William.

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