(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. (DE)
Reference (DE): Bulugh al-Maram 593 (DE)
In-book reference (DE): Book 3, Hadith 62 (DE)
English translation (DE): Book 3, Hadith 618 (DE)