Sancho II (1036/1038 – 7 October 1072), called the Strong (el Fuerte), was King of Castile (1065–72), Galicia (1071–72) and León (1072). Family [ edit ] Born at Zamora , Sancho was the eldest son of Ferdinand the Great and Sancha of León . 
Sancho II, byname Sancho the Strong, Spanish Sancho el Fuerte, (born c. 1037—died October 6/7, 1072, Zamora, Leon [Spain]), king of Castile from 1065 to 1072, the eldest son of Ferdinand I. He was allocated the kingdom of Castile in his father’s will, Leon and Galicia being given to his brothers.
Sancho IV, byname Sancho The Brave, Spanish Sancho El Bravo, (born 1257—died April 25, 1295, Toledo, Castile), king of Castile and Leon from 1284 to 1295, second son of Alfonso X. Though ambitious and ruthless, he was also an able politician and a cultivated man. In 1275 his elder brother, Fernando de la Cerda, was killed, leaving a son ...
Sancho IV of Castile (12 May 1258 – 25 April 1295) called the Brave (el Bravo), was the king of Castile, León and Galicia from 1284 to his death. Following his brother Ferdinand's death, he gained the support of nobles that declared him king instead of Ferdinand's son Alfonso.
From Wikipedia: Born at Zamora, Sancho was the eldest son of Ferdinand I of Castile and Sancha of León, the eventual heiress to the Leonese crown. He was married to Alberta, a possible daughter of William I, king of England. He succeeded in Castile while his younger brother Alfonso succeeded in their mother's...
Sancho of Castile may refer to: Sancho García of Castile (died 1017), Sancho of the Good Laws, Count of Castile. Sancho II of León and Castile ( c. 1037 –1072), Sancho the Strong, King of Castile and of León. Sancho III of Castile (1134–1158), Sancho the Desired, King of Castile and of Toledo.
May 12, 1258 – April 25, 1295. Sancho IV of Castile was born on May 12, 1258, in Valladolid, Castile. The second son of King Alfonso X and Queen Violant of Aragon, Prince Sancho wasn’t intended to inherit the throne. Instead, the prince’s elder brother, Ferdinand, was his father’s heir.
Sancho III of Castile (1134 – August 31, 1158), called el Deseado (the Desired) due to his birth, as first child of his parents, not until eight years after their marriage, was King of Castile and Toledo for one year, from 1157 to 1158. He was the eldest son of King Alfonso VII of Castile and Berenguela of Barcelona.
Sancho IV of Castile. Birth. 12 May 1258. Valladolid, Provincia de Valladolid, Castilla y León, Spain. Death. 25 Apr 1295 (aged 36) Toledo, Provincia de Toledo, Castilla-La Mancha, Spain. Burial. Cathedral of Toledo.
Sancha of Castile (21 September 1154/5 – 9 November 1208, Sijena) was the only surviving child of King Alfonso VII of Castile by his second queen, Richeza of Poland, who was the daughter of Vladislav II, Duke of Silesia. On January 18, 1174 in Saragossa she married King Alfonso II of Aragon.