It is narrated from Sayyiduna ‘Irbad bin Sariyah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) would supplicate for forgiveness three times for those in the first row, and would supplicate for forgiveness once for those in the second row.

Sayyiduna Irbad bin Sariyah (may Allah be pleased with him) narrated from the Prophet Muhammad (peace and blessings be upon him) in the same manner (through a different chain).