lfonso I, d. 1134, king of Aragon and of Navarre (1104-34), brother and successor of Peter I. He was the husband of Urraca, queen of Castile. His life was spent in continuous warfare. He was obliged to abandon his efforts to extend his authority over Castile in order to fight the Moors, from whom he captured Saragossa (1118), Calatayud (1120), and many other towns. His raid into Andalusia had a great moral, if not practical, effect. Alfonso encouraged Christians in Moslem lands to settle in his domain. He was succeeded by his brother Ramiro II in Aragon and by García IV in Navarre. [The Illustrated Columbia Encyclopedia, 1969]

Alfonso I (of Aragón and Navarre) (1073?-1134), king of Aragón and Navarre (1104-1134). He married Urraca, daughter of King Alfonso I of Castile, thus joining the two principal Christian kingdoms in Spain. He won many victories over the Moors and played an important part in the Christian reconquest of the Iberian Peninsula. The Moors defeated him at Braga in 1133, and he died the following year of wounds received there. [Microsoft Encarta 98 Encyclopedia]

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