Urwah bin al-Zubayr (may Allah have mercy on him), naming those who emigrated to the land of Abyssinia, said: 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 him Abdullah bin Ja'far, Awn bin Ja'far and Muhammad bin Ja'far.
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 20729
Qays bin Abi Hazim (may Allah have mercy on him) said: "We visited Abu Bakr (may Allah be pleased with him) during his illness, and we saw a fair-skinned woman with tattooed hands fanning him, and she was Sayyidah Asma' bint Umays (may Allah be pleased with her)."
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 20730
Ibn Abbas (may Allah be pleased with them both) narrated that the Messenger of Allah (peace and blessings be upon him) said: "The believing sisters: Maymunah, the wife of the Prophet (peace and blessings be upon him); Umm al-Fadl, the wife of Abbas; Asma' bint Umays, the wife of Ja'far; and the wife of Hamzah, who is their sister through their mother."
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 20731