Or "El Mansur" (1184-1199), the successors of Abd-el-Mumin, were both able men.
But in the end they became less fanatical than the Murabtis, and Ya`kub el Mansur was a highly accomplished man, who wrote a good Arabic style and who protected the philosopher Averroes.
His title of El Mansur, "The Victorious," was earned by the defeat he inflicted on Alphonso VIII.
In 1212 Mahommed III., "En-Nasir" (1199-1214), the successor of El Mansur, was utterly defeated by the allied five Christian princes of Spain, Navarre and Portugal, at Las Navas de Tolosa in the Sierra Morena.
The amirs of the Muwahhadi Dynasty were as follows:- `Abd-el-Mumin 0145); Yusef II., "Abu Ya`kub" (1163); Ya`kub I., "Abu Yusef el Mansur" (1184); Mahommed III., "En-Nasir" (1199); Yusef III., "Abu Ya`kub el Mustansir" (1214); `Abd-el-Wahid, "El Makhluwi" (1223); `Abd-Allah II., "Abu Mahommed" (1224); Yahya V., "El Mu ` tasim" (1226); Idris III., "El Mamun" (1229); Rashid I., "`Abd-elWahid II."
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