It is narrated from Sayyida Aisha (may Allah be pleased with her), she says: I brought (my nephew) Ibn Zubair to the service of the Noble Prophet (peace and blessings be upon him). The Prophet (peace and blessings be upon him) gave him a chewed date and said: This is Abdullah and you are Umm Abdullah.
Hadith Referenceالفتح الربانی / كتاب الخلافة والإمارة / 12441