“Sons of Umm al-Banīn, are you not stirred—
you, the very chiefs of Najd’s clans?
ʿĀmir has derided Abū Barāʾ, betraying the man he had pledged to protect;
a calculated offence is never the same as an unintended slip.
Go, carry my words to Rabīʿah, the man of grand exploits:
since my time, no turn of fate has equalled this calamity.
Your father in war is Abū Barāʾ,
and your noble uncle is Ḥakam ibn Saʿd.”

Disputed dating of the expedition against Banū al-Naḍīr—already touched upon under the events of year three:
Al-Zuhrī held that it took place before Uḥud, while several other scholars maintained that it occurred after Uḥud and after the tragedy of Biʾr Maʿūnah.

Ismāʿīl ibn ʿAbd al-Raḥmān informed us, saying: al-Ḥasan ibn ʿAlī ibn al-Ḥusayn ibn al-Ban informed us, saying: my grandfather informed us, saying: Abū al-Qāsim al-Miṣṣīṣī informed us, saying: ʿAbd al-Raḥmān ibn Abī Naṣr informed us, saying: ʿAlī ibn Abī al-ʿAqab informed us, saying: Aḥmad ibn Ibrāhīm informed us, saying: Muḥammad ibn ʿĀʾidh narrated to us, saying: al-Walīd ibn Muslim narrated to us from ʿAbd Allāh ibn Lahīʿah, from Abū al-Aswad, from ʿUrwah, who said:
“The Messenger of Allah ﷺ set out with a number of his Companions to Banū al-Naḍīr to seek their help in paying the blood-money for the two men of Kilāb. Those Jews—so it is alleged—had already sent secret word to Quraysh when the latter encamped at Uḥud, urging them to fight the Messenger of Allah ﷺ and his Companions and pointing out their weak spots. When the Messenger of Allah ﷺ asked them for help with the blood-money, they said, ‘Sit down, Abū al-Qāsim, have something to eat, and you will leave with your request granted.’” He then narrated the rest of the incident, which has been mentioned earlier.

Al-Wāqidī said: Ibrāhīm ibn Jaʿfar narrated to me from his father, who said: “When …”