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Egas Gomes de Sousa (1035 -?) was a Portuguese noble of County of Portugal and the first of his line to use the surname Sousa. He was Lord of the House of Sousa and of Felgueiras.
He served as governor of the entire region of Entre Douro e Minho. He was captain-general, and as such in combat he beat the King of Tunis in a battle near the town of Beja. He was buried in the Monastery of Pombeiro.
He was the son of Gomes Echigues[1] and his 1st wife, Gontronde Moniz de Touro, daughter of Munio Moniz de Bierzo, Count of Bierzo and Muniadona Moniz. He married a member of the Maia family, although there are various versions as to her name and filiation.[1]