Question: Where was the husband of Blanca Of Navarre, Queen Of Castile born?
Sentence (from "Blanca of Navarre, Queen of Castile"): Blanca married Sancho III of Castile, regent of Castile (subject to his father Alfonso VII) on February 4, 1151 in Carrión de los Condes, Palencia, after travelling from Calahorra, Logroño, in January.
Relevant evidence: Yes