Urwah (a Successor) reports that among the names of the Ansar who were present at the pledge of Aqabah, and then from Banu Harithah, is Sayyiduna Abu Burdah bin Niyar bin Amr bin Ubayd (may Allah be pleased with him); he was their ally, from the tribe of Baliyy, and he was one of those who fought at Badr.
Hadith Referenceالمعجم الكبير للطبراني / باب الهاء / 18722