Urwah (may Allah have mercy on him) said: "Among the names of those who were present at Badr, from the Ansar: Tamim, the freed slave of Banu Ghanm bin al-Salm bin Malik bin al-Aws bin Harithah."
Hadith Referenceالمعجم الكبير للطبراني / باب التاء / 1277