Narrated 'Abdullah bin 'Amr bin Rabi'a: who was one of the leaders of Bani 'Adi and his father participated in the battle of Badr in the company of the Prophet. 'Umar appointed Qudama bin Maz'un as ruler of Bahrain, Qudama was one of the warriors of the battle of Badr and was the maternal uncle of Abdullah bin 'Umar and Hafsa.