Ibn Shihab al-Zuhri (may Allah have mercy on him), naming those who were martyred on the Day of the Bridge in the year 15 AH, said: Al-Harith bin Mas'ud bin Abd bin Muzahir (was martyred).
Hadith Referenceالمعجم الكبير للطبراني / باب الحاء / 3307
Muhammad bin Ishaq (may Allah have mercy on him), naming those of the Ansar, and then of Banu Mu'awiyah, who were martyred on the Day of the Bridge, said: Al-Harith bin Mas'ud bin Abd bin Muzahir (was martyred).
Hadith Referenceالمعجم الكبير للطبراني / باب الحاء / 3308