`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.