Analysis of information sources in references of the Wikipedia article "Zaynab an-Nafzawiyyah" in English language version.
and they invaded during the year 450, then they invaded Tadla, ... its kings were killed with them... ibn Yusuf al-Maghrawi, the owner of Aghmat.
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
Zeineb and Yusef ibn Tashfin had a son, Ali ibn Yusef ibn Tashfin, who is described as having an excellent character. He ruled until 1142-3CE/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. There was another Berber family that named itself for the mother... Ali Ibn (Zeineb and) Yusef Ibn Tashfin