Marwanid

In the Hejaz the Marwānid branch of the Umayyads, descendants of Marwān I who claimed the caliphate in 684, fought against ʿAbd Allāh ibn al-Zubayr for years; by the time they defeated him, they had lost most of Arabia to Kharijite rebels.

…succeeded in defeating the last Marwānid ruler, his caliph-designate represented only one segment of this broad coalition. He was the head of the ʿAbbāsid family, Abū al-ʿAbbās al-Saffāḥ, who now subordinated the claims of the party of ʿAlī to those of his own family and who promised to restore the…

…of Abū Sufyān; and the Marwanids (reigned 684–750), Marwān I ibn al-Hakam and his successors. The Sufyānids, notably Muʿāwiyah I (reigned 661–680), centralized caliphal authority in Damascus. The Syrian army became the basis of Umayyad strength, enabling the creation of a united empire through greater control of the conquered provinces…