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Male William Marmion , of Winteringham & Coningsby,Sir Click to view William Marmion , of Winteringham & Coningsby,Sir in the family tree

William was born before 1230 in Winteringham, Glanford Brigg, Lincolnshire, England.  William's father was Robert "The Younger" Marmion , of Winteringham and his mother was Avice Heiress de Tanfield.  His paternal grandparents were Robert Marmion , of Tamworth & Scrivelsby and Philippe; his maternal grandfather was Gernegan de Tanfield.  He was an only child.  He died before 1276 in Coninsgby, Horncastle, Lincolnshire, England.


William's family with Lorette de Dover

‌William and Lorette de were married in a religious ceremony before May 1248.  They had a son named John 1st Baron.

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