Alfonso IX

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Alfonso IX,

1171–1230, Spanish king of León (1188–1230), son and successor of Ferdinand II. He conquered from the Moors several cities in Estremadura and was frequently at war with Alfonso VIII of Castile. His marriages with Teresa of Portugal and Berenguela of Castile were both annulled by the pope. He defeated (1230) the Moors at Mérida. His son by Berenguela, Ferdinand III, reunited (1230) León and Castile.
References in periodicals archive ?
The disaster of Alarcos, a crusade called against Alfonso IX of Leon, wars between peninsular powers, the death of an Aragonese king to a fever, and famines wracked the Iberian Peninsula within five years alone (1).
Alfonso IX of Leon was married to Theresa of Portugal, daughter of Sancho I of Portugal, until late 1193 or early 1194, and Theresa had already borne him two daughters (80).
The marriage of Alfonso IX of Leon and Berenguela of Castile in October 1197, for the royal houses of Castile and Leon and for most of the churchmen in those kingdoms an entirely reasonable strategy whereby the two kingdoms would be at peace and hence could war upon the infidel, was wholly unacceptable to the pope because peace could not be obtained through sin and war could not be won by those who were sinful.