أحمد بن يحيى
He inherited the position of Sheikh of the Hashid tribal federation from his father, Husayn Bin Nasser al-Ahmar, who was executed by Imam Ahmad bin Yahya. As a result, during the North Yemen Civil War Abdullah al-Ahmar sided with the Republicans against the Royalists and was appointed governor of Hajjah, but he refused to join the Egyptian-backed government of Abdullah as-Sallal. After Egypt withdrew from Yemen, he helped topple the Sallal government and his tribes provided crucial support to the new regime of Abdul Rahman al-Iryani against the royalists.