 Ferdinand took the opportunity of his nephew's minority to assert his dominance, using the title "king of the Spanish" ("rex Hispanorum") from 1163 until 1164 and then "king of the Spains" ("rex Hispaniarum") from 1165 until 1175.He did not explicitly take an imperial title, but his choice of title demonstrates that the "imperial idea" was still alive at León after Alfonso VII.Besides the case of Elvira Ramírez, regent of Ramiro III of León, who was styled "bassilea" once during her lifetime, the title "imperatrix" (empress) was occasionally used for the consorts of those men who were styled "imperator".