Urwah (may Allah have mercy on him) states, among the names of those of the Ansar who were present at Badr: "Rafi' bin al-Mu'alla bin Lawdhan bin Harithah bin Adi bin Zayd bin Tha'labah bin Zayd bin Manat bin Khubayb bin Harithah bin Ghadib bin Jusham bin al-Khazraj; he was martyred on the Day of Badr."
Hadith Referenceالمعجم الكبير للطبراني / باب الراء / 4449