Analysis of information sources in references of the Wikipedia article "Ali ibn Yusuf" in English language version.
Zaynab bint Ali ibn Yusuf
Yusuf ibn Tasufin,... , married Zaynab an-Nafzawiyyah with whom he had three children: Ali ibn Yusuf, Abu Abdallah Muhammad ibn Aisa and Tamima bint Yusuf ibn Tashfin
one example of a powerful concubine was Qamar, the mother of Sir, one of 'Ali b. Yusuf's sons
Qamar, 'Ali's favorite concubine...
Zeineb and Yusef ibn Tashfin had a son, Ali ibn Yusef ibn Tashfin, who is described as having an excellent character. He ruled until 1142–43 CE/537 AH. He was succeeded by Tashfin ibn Ali ibn Yusef ibn Tashfin. Legitimacy still passed through her even though her name was no longer affixed to his, at least in this account...Ghania's sons were raised under the patronage and supervision of Ali Ibn (Zeineb and) Yusef Ibn Tashfin