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The Banu Abs gained significant wealth and property in Syria and influence in the Umayyad caliphal court mainly through the marriage of the Umayyad caliph Abd al-Malik () to the Absi noblewoman Wallada, the daughter of al-Abbas ibn al-Jaz ibn al-Harith, a great-grandson of Zuhayr ibn Jadhima. Wallada mothered Abd al-Malik's sons and successors al-Walid I () and Sulayman (). Abd al-Malik granted estates to Wallada's father al-Abbas and her first cousin al-Qa'qa ibn Khulayd ibn al-Jaz, including the massive estate which developed into the town of Hiyar Bani Qa'qa or Hiyar Bani Abs in northwestern Syria near Manbij where the family established itself. Al-Walid I granted further estates to al-Qa'qa near Damascus and Manbij and made him his "katib" (scribe or secretary). The caliph appointed another member of the tribe, Khalid ibn Barz ibn Kamil ibn Barz, governor of Jund Dimashq (military district of Damascus). Al-Qa'qa backed the abortive efforts by al-Walid I to replace Sulayman with his son Abd al-Aziz ibn al-Walid as caliphal successor. Al-Qa'qa's uncle Abd Allah ibn al-Jaz was a prominent dignitary in Syria and al-Qa'qa's brother Husayn was a companion of Caliph Sulayman.