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

William was born about 1148 in Oswestry Castle, Shropshire, England.  William's father was William FitzAlan , Baron of Oswestry and his mother was Isabel de Say.  His paternal grandparents were Alan FitzFlaald , Baron of Oswestry and Aveline de Hesdin; his maternal grandfather was Ellis (Ingram) de Say , Lord of Clun. He had a half-brother and a half-sister, named William de and Christian.  He died in 1210 in Oswestry Castle, Shropshire, England.


William's family

He had a biological son named John.

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