Ibn Shihab al-Zuhri (may Allah have mercy on him) states, among those of the Ansar, then of Banu Zurayq, who were present at Badr: "Rafi' bin al-Mu'alla bin Lawdhan; he was martyred on the Day of Badr."
Hadith Referenceالمعجم الكبير للطبراني / باب الراء / 4450