Elvira of Castile (c.1100--8 February, 1135) was a daughter of Alfonso VI of Castile by his fourth queen, Isabel (perhaps identical to the Moslem convert Zaida, baptized as Isabel, who had been Alfonso's mistress).
Elvira of Castile (c.1100--8 February, 1135) the first Queen of Sicily. She was a daughter of Alfonso VI of Castile by his fourth queen, Isabella (perhaps identical to the Moslem convert Zaida, baptized as Isabel, who had been Alfonso's mistress).