She said, "Messenger of Allah, all my companions have a kunya."He said, "Then take your kunya from your son Abdullah," meaning her sister's son, who was Abdullah bin Zubayr. So she was known by the kunya Umm Abdullah.
يا رسول الله، كل صواحبي لهن كني، قال: فاكتني بابنك عبد الله يعني ابن اختها وهو: عبد الله بن الزبير، قال: فكانت تكنى بأم عبد الله.