The first Rasulid Sultan, Nur ad-Din Umar I, seized several places in the highland, such as San'a, Ta'izz and Kawkaban.
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The old imam al-Mansur Abdallah died in 1217 in Kawkaban after many years of inconclusive struggles against the Ayyubids, who established a sub-branch in Yemen in 1173.
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People in the traditional centre of the Zaidi polity, Sa'dah, accepted Najm ad-Din Yahya as imam under the name al-Hadi Yahya.
Yahya Jammeh | Yahya Ould Ahmed El Waghef | Abdul Hadi Awang | Abdul Hadi Abdul Hamid | Yahya Kemal Beyatlı | Hadi Saei | Sultan Yahya Petra Bridge | Khalid Yahya Blankinship | Abdul Hadi Palazzi | Yahya Taher Abdullah | Yahya ibn Salama al-Kalbi | Yahya ibn Ma'in | Yahya Goba | Yahya al-Laithi | Yahya | United States Naval Communications Station Sidi Yahya El Gharb | Sultan Yahya | Shafi Hadi | Ja'far ibn Yahya | Hadi Saleh | Hadi Rani | Hadi Khamenei | Hadi al-Modarresi | Hadi Al-Amiri | Abu Bakr bin Yahya al-Suli |