Complex sentence: Nasr tried to secure his own position by deposing al-Kirmani from his leadership of the Azd tribe, as well as by trying to win over Azd and Rabi'ah leaders, but his efforts only led to a general uprising by these tribes under al-Kirmani.
Split into simpler sentences: Nasr tried to secure his own position by deposing al-Kirmani from his leadership of the Azd tribe, as well as by trying to win over Azd and Rabi'ah leaders. This led to a general uprising by these tribes under al-Kirmani.