Abbad ibn Abd Allah ibn al-Zubayr al-Asadi was a Tabi'un and one of the narrators of the Prophet's hadith, and the judge of Mecca during the era of his father, a Caliph of Zubayrids and Companion Abd Allah ibn al-Zubayr, and his paternal grandfather are Zubayr ibn al-Awwam, famous Companions of the Prophet. Wikipedia