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Male William FitzAlan , Baron of Oswestry Click to view William FitzAlan , Baron of Oswestry in the family tree

William was born about 1105 in Oswestry Castle, Shropshire, England.  William's father was Alan FitzFlaald , Baron of Oswestry and his mother was Aveline de Hesdin.  His paternal grandfather was Flaald FitzAlan Dapifer of Dol; his maternal grandparents were Arnulf (Ernulf) Seigneur de Hesdin and Emmelina de Normandy. He had a brother named Walter.  He was the older of the two children.  He died in 1160 in Oswestry Castle, Shropshire, England.

William's first family with Christian of Gloucester

‌William and Christian of were married in a religious ceremony about 1135 in 1st wife.  They had a daughter named Christian.

William's second family with Isabel de Say

‌William and Isabel de were married in a religious ceremony before 1146 in 1st husband 2nd wife.  They had a son named William.

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