Sancho IV of Pamplona

Sancho Garcés IV (Basque: Antso IV.a Gartzez; c. 1039 – 4 June 1076), nicknamed Sancho of Peñalén (Basque: Antso Peñalengoa, Spanish: Sancho el de Peñalén), was King of Pamplona from 1054 until his death. He was the eldest son of García Sánchez III and his wife, Stephanie, and was crowned king of Pamplona after his father was killed during the Battle of Atapuerca.

Source: Wikipedia — https://en.wikipedia.org/wiki/Sancho_IV_of_Pamplona