Sancha of Castile, Queen of Navarre

Sancha of Castile (–5 August 1177 or 1179) was daughter of Alfonso VII of León and Castile and his first wife Berengaria of Barcelona. Sancha was the fifth child of seven born to her parents.

On 20 July 1153, Sancha married Sancho VI of Navarre. She was responsible for bringing his kingdom into the political orbit of Europe. As "la reyna de Navarra, filla del emperador" (the queen of Navarre, daughter of the Emperor) her 5 August 1179 death was reported in the Annales Toledanos, while in the Chronacles of Navarre she died in August 1179.

After Sancha married into Navarre, Alfonso VII gave the same name, Sancha, to his daughter by his second wife, Richeza of Poland. This half-sister married King Alfonso II of Aragon in 1174.

Issue Sancho and Sancha's children were:

Sancho VII Ferdinand Ramiro, Bishop of Pamplona Berengaria (died 1230 or 1232), married King Richard I of England Constance Blanche, married Count Theobald III of Champagne, then acted as regent of Champagne, and finally as regent of Navarre

Sancha was buried in Pamplona.