Ibn Shihab al-Zuhri (may Allah have mercy on him), naming those of the Ansar who took part in the Pledge of Aqabah, then of Banu Zurayq, said: al-Harith bin Qays bin Khalid bin Makhlad. He was also present at Badr.
Hadith Referenceالمعجم الكبير للطبراني / باب الحاء / 3365