Alfonso VII of León and Castile
Judah ben Joseph ibn Ezra (in Hebrew, Yehuda ben Yosef ibn Ezra) was a Jew of Granada, Spain who lived in the twelfth century and rose to favour under Alfonso VII of León and Castile, eventually becoming the king's court chamberlain. Judah, a relative of renowned Granadian poet and philosopher Moses ibn Ezra, was made commander of the fortress at Calatrava by Alfonso after its conquest in 1147.