'abd Allah Ibn Sa'd Ibn Abi Sarh

Governor of Upper (southern) Egypt for the Muslim caliphate during the reign of 'Uthman (644 - 656) and the cofounder, with the future caliph Mu'awiyah I, of the first Muslim navy, which seized Cyprus (647 - 649), Rhodes, and Cos (Dodecanese Islands) and defeated a Byzantine fleet off Alexandria in 652. He shared in the direction of the Muslim fleet that defeated the Byzantine navy in the battle of