al-ʿAbbās ibn al-Walīd ibn ʿAbd al-Malik was an Umayyad prince and general, the eldest son of Caliph al-Walid I. He distinguished himself as a military leader in the Byzantine–Arab Wars of the early 8th century, especially in the Siege of Tyana in 707–708, and was often a partner of his uncle Maslama ibn Abd al-Malik during these campaigns. Wikipedia