 Complete the following phrase:  Sulayman had fourteen sons. His eldest surviving son was Muhammad, who was twelve years old at the time of his fathers death. Sulaymans sons remained in Palestine and maintained strong ties with the districts Yamani tribal nobility. The Arab tribes formed Palestines garrison and were committed to the family. In 744, they unsuccessfully attempted to install its head, Sulaymans son Yazid, as caliph. Sulaymans son Abd al-Wahid served as governor of Medina and Mecca in 747 for Caliph Marwan II . Sulaymans property in Palestine remained in his familys possession until the 