William (Sir) de ARCHES 
William (Sir) de was born in 1166 in Wrawby, Glanford Brigg, Lincolnshire, England. William (Sir) de's father was Robert (Sir) de ARCHES. He was an only child. William (Sir) de is no longer alive.
He had a biological son named Robert (Sir Knight) de.
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Children
Robert (Sir Knight) de ARCHES
Robert (Sir Knight) de was born in 1198 in Wrawby, Glanford Brigg, Lincolnshire, England. He died in Wrawby, Glanford Brigg, Lincolnshire, England.