The meaning of the sending of blessings upon the Prophet, Allah’s blessings be upon him and his Family

1. We were told by Ahmad bin Muhammed bin Abdul-Rahman al-Maqarri, that he said: We were told by Abu Amru, Muhammed bin Ja’far al-Maqarri al-Jarjani, that he said: We were told by Abu Bakr, Muhammed bin Hasan al-Mosuli in Baghdad, that he said: We were told by Muhammed bin ‘Asim al-Turayfi, that he said: We were told by Abu Zaid, ‘Ayyash bin Yazid bin Hasan bin Ali al-Kahhal, the servant of Zaid bin Ali, that he said: We were told by my father, Yazid bin Hasan, that he said: I was told by Musa bin Ja’far, peace be upon them both, that he said