Muhammad bin Ishaq (may Allah have mercy on him) narrates, regarding those of the Ansar who took part in Badr, then from al-Khazraj, then from Banu Zurayq: "Rifa'ah bin Rafi' bin Malik bin al-Ajlan bin Amr bin Asim bin Zurayq bin Abd Harithah bin Malik bin Ghadab bin Jusham bin al-Khazraj."
Hadith Referenceالمعجم الكبير للطبراني / باب الراء / 4503