Musnad Ahmad 753:2

Abu Amir narrated to us, he said: Al-Mughirah ibn Abd al-Rahman narrated to us, from Abu al-Zinad, he said: Al-Muraqqa' ibn Sayfi informed me, from his grandfather Rabah ibn Rabi', the brother of Hanzalah the Scribe, that he informed him: That he went out with the Messenger of Allah, may Allah bless him and grant him peace, and then he mentioned the hadith.