 As such, he became an asset in the reconquering efforts of Ferdinand III of Castile and initially guided his son, the future Alfonso X of Castile, in the conquest of Murcia.Some years later, during the reign of Afonso III of Portugal, he seems to have returned to Algarve where he took part in the capture of Silves in 1249, thus completing the Portuguese conquest of the last part of the Algarve still in Moorish hands.D.