Yusuf ibn Tashfin
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Yusuf ibn Tashfin(yo͞oso͝of` ĭ`bən täshfēn`), d. 1106, ruler in the dynasty of the AlmoravidsAlmoravids
, Berber Muslim dynasty that ruled Morocco and Muslim Spain in the 11th and 12th cent. The Almoravids may have originated in what is now Mauritania. The real founder was Abd Allah ibn Yasin, who by military force converted a number of Saharan tribes to his own
..... Click the link for more information. (c.1059–1106). A Muslim, he led the Berbers in N Africa, continued the conquest of Morocco, took Algeria, and founded (1062) Marrakech, which became his capital. When the petty Moorish kings of Spain appealed for help against the Christians, he entered S Spain and with the help of the local kings decisively defeated (1086) Alfonso VIAlfonso VI,
1030–1109, Spanish king of León (1065–1109) and Castile (1072–1109). He inherited León from his father, Ferdinand I. Defeated by his brother Sancho II of Castile, he fled to the Moorish court of Toledo.
..... Click the link for more information. of León and Castile. In 1090 he again invaded Spain. Turning conqueror, he annexed all the Moorish territories of Spain except Zarogoza. His empire was inherited by his son Ali.