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Male Sir William Marmion Sir Click to view Sir William Marmion Sir in the family tree

William was born about 1230 in Wethrington, Lincolnshire, England.  William's father was 7th Lord Of Scrivelsby Robert De Marmion 7th Lord Of Scrivelsby and his mother was Avice De Tanfield. He had a half-brother named Philip De.  He died before 1276 in Wethrington, Lincolnshire, England.

William's family with Lorette De Dover

‌William and Lorette De were married in a religious ceremony in 1248.  They had a son named John 1St Baron.

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