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Male William (Sir) III de WASHINGTON Click to view William (Sir) III de WASHINGTON in the family tree

William (Sir) III de was born about 1242 in England.  William (Sir) III de's father was Walter (Sir) de II WASHINGTON and his mother was Joan/Juliana de WHITCHESTER.  His paternal grandparents were William II (Sir) de WASHINGTON and Alice de LEXINGTON; his maternal grandfather was Robert de WHITCHESTER.  He was an only child.


William (Sir) III de's family with Margaret de MORVILLE

They had a son named Walter (Sir) III de.