(1)
'Abdullah Ibn Ja'far (RAA) narrated, 'When we received the news of Ja'far's death; when he was killed (in the Battle of Mu'tah), the Prophet(ﷺ) said:
"Prepare some food for the family of Ja'far, for what has befallen them is keeping them preoccupied." Related by the five lmams except for An-Nasa'i. (ES)
Reference (ES): Bulugh al-Maram 593 (ES)
In-book reference (ES): Book 3, Hadith 62 (ES)
English translation (ES): Book 3, Hadith 618 (ES)