Tags: Noble.
Walter III of Brienne (died June 14 1205) was the Count of Brienne 1191–1205 Prince of Taranto Duke of Apulia and Count of Lecce and titular King of Sicily 1201–1205. He was the son of Erard II of Brienne and Agnès of Montfaucon.In 1200 he married Maria daughter of Tancred of Sicily and sister and heiress of the deposed king William III of Sicily. Her precise name is unclear but has been given variously as Mary Elvira Albiria Albinia or Blanche. She died after 1216.