Yusuf al-Mu'taman ibn Hud
Mathematician
Abu Amir Yusuf ibn Ahmad ibn Hud, more commonly known as al-Mu'taman, was a mathematician, and also one of the kings of the Taifa of Zaragoza. The name al-Mu'taman is itself a shortening of his full regnal name al-Mu'taman Billah. Wikipedia
Born: Zaragoza, Spain
Died: 1085, Zaragoza, Spain
Grandchild: Abd al-Malik Imad ad-Dawla
Children: Al-Musta'in II
Parents: Ahmad al-Muqtadir