The Biography of the Sultans of Kilwa

44 restored to the rule of Kilwa and his reign lasted for fourteen years. When he died, he was succeeded by al-Hassan ibn Daoud ibn Sultan Ali, who was removed from power later on in the same year. He was seventy years old at the time. With his removal from power in 741 AH (1340 CE), the dynasty of Sultan Ali al-Wāsil had reigned for 87 years.