Al-Zubayr bin Bakkar said: Sayyidah Safiyyah bint Abd al-Muttalib (may Allah be pleased with her) did not cover her head before the Messenger of Allah (peace and blessings be upon him), nor before ten of the earliest Muhajirun: her brother Hamzah bin Abd al-Muttalib; her nephews Ja'far and Ali, the sons of Abu Talib; her son al-Zubayr bin al-Awwam; and Uthman bin Affan, who was the son of her sister's daughter (Uthman's mother was Arwa bint Kurayz, and Arwa's mother was al-Bayda' Umm Hakim bint Abd al-Muttalib); and Abu Salamah bin Abd al-Asad and Abu Sabrah bin Abi Ruhm, who were the sons of her sister Barrah bint Abd al-Muttalib; and Tulayb bin Numayr bin Wahb bin Abd Qusayy, whose mother was Arwa bint Abd al-Muttalib; and the mother of Abdullah and of the poet Abu Ahmad al-A'ma (whose name was Abd bin Jahsh bin Ri'ab bin Ya'mur bin Hubayrah bin Murrah bin Ghanm bin Dudan bin Asad bin Khuzaymah), namely Umaymah bint Abd al-Muttalib. And Sayyidah Safiyyah (may Allah be pleased with her) passed away during the caliphate of Umar bin al-Khattab (may Allah be pleased with him).
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 21175