Afonso Henriques, nicknamed "the Conqueror", was probably born on 25 July 1109, in the County of Portucale. He was the son of Henry of Burgundy and his wife Teresa, daughter of Afonso VI of León and Castile. Traditionally, it is believed he was born in Guimarães, where he lived until 1128. After his father's death, his mother ruled the county alone. In an effort to pursue a larger share in the Leonese inheritance, Teresa joined forces with Fernão Pérez de Trava, a Galician count. In 1120, Afonso (under the direction of the Archbishop of Braga) took a different political position to that of his mother and they both left the county. In 1122, Afonso armed himself knight in the Cathedral of Zamora. When peace was re-established, Afonso returned home. In 1128, the armies of Teresa of León and Fernão Pérez de Trava confronted the army of Afonso Henriques in the Battle of São Mamede. Afonso came out victorious: he exiled his mother and took control of the government of...