Urwah (may Allah have mercy on him), in naming those who were present at al-Aqabah, relates: "Rifa'ah bin Amr bin Zayd bin Amr bin Qays bin Tha'labah bin Malik bin Salim bin Ghanim bin Awf bin al-Khazraj. He was also present at Badr, and he was among those who went out to the Messenger of Allah (peace and blessings be upon him) as an emigrant."
Hadith Referenceالمعجم الكبير للطبراني / باب الراء / 4536