Rodrigo Fernández de Castro (died after 1144), called the Bald (el Calvo),[1] was a Castilian nobleman and soldier.
One of the founders of the House of Castro, he was the second son of Fernando García de Hita and Tegridia (or Trigidia), sister or aunt of Count Rodrigo Martínez and relative of the Ansúrez family.
[5][2] In April 1126 Rodrigo and his elder brother Gutierre made submission to the new king (later emperor), Alfonso VII, along with the rest of the Castilian nobility.
)[7] In June and July 1137 he and Gutierre participated in the royal expedition to Galicia, where Tuy was reconquered from the Portuguese and they visited Santiago de Compostela.
[11] Shortly after this he raided the environs of Córdoba and defeated an army under Tashfin ibn Ali, the future sultan, at a place called Almont (perhaps Almonacid) on his return.
[3] In April 1139 Rodrigo and his brother were ordered to besiege Oreja with their own knights assisted by the local cavalry and infantry units of the frontier towns.
[12] On 22 February 1140 Rodrigo and Gutierre were at Carrión de los Condes to witness the treaty between Alfonso VII and Count Raymond Berengar IV of Barcelona.