Urwah bin al-Zubayr narrates, among the names of those who emigrated to the land of Abyssinia: Sayyiduna Ja'far bin Abi Talib (may Allah be pleased with him), and with him was his wife Sayyidah Asma' bint Umays al-Khath'amiyyah (may Allah be pleased with her). In the land of Abyssinia she bore his sons Sayyiduna Abdullah bin Ja'far (may Allah be pleased with him), Sayyiduna Awn bin Ja'far (may Allah be pleased with him) and Sayyiduna Muhammad bin Ja'far (may Allah be pleased with him).
Imam al-Tabarani recorded this narration as mursal, and its chain is hasan (good).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب المناقب / 15418