1. Catholic kings

3. Isabel, daughter of John II of Castile and Isabel of Portugal, and Fernando, son of John II of Aragon and Juana Enriquez, were married in Valladolid on October 19, 1469, including strong opposition to it. Elizabeth inherited the throne of Castile in 1474 after the death of his brother Henry IV, self-proclaimed queen, and there was a succession dispute between her and Joan, daughter of Henry IV, which they said was the daughter of D. Beltran de la Cueva, not the king, the conflict continued after the coronation, since Alfonso V of Portugal, wife of John, launched an offensive in support of this offensive that took place in the battles of Bull and Albuera after which Isabel, whi+ch came out on top, was recognized by the Courts of Queen Madrigal. Meanwhile Fernando was named heir to the death of his brother Carlos. In 1468 he received the throne of Sicily and the death of his father in 1479, the Crown of Aragon. Participated in the struggles for his wife Elizabeth and thereafter there was a dynastic union of Aragon and Castile and the beginning of the joint reign, following agreements were signed in 1475 in Concord of Segovia by both monarchs maintained their equality with regard to Justice, currency and issue of privilege, but reserved loyalty Elizabeth Castle and the holders of Treasury issues.

4. Isabella I was born on April 22, 1451 in the town of Madrigal de las Altas Torres. She died on November 26, 1504 in the castle of La Mota. She is often referred to as "La Católica" (the Catholic) a "title" given to her by the Spanish Pope, Alexander VI. This is a title that the Kings and Queens of Spain still retain. She was the daughter of John II, King of Castile and his second wife, Isabella of Portugal

5. Reyes Católicos" is literally "Catholic Kings " rather than "Monarchs", and is sometimes so rendered in English; but in Spanish it is usual for the masculine plural to be used in an essentially gender-indifferent way, so for example it is usual in Spanish to call the children of a person or couple "hijos", literally sons, regardless of actual gender .

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