Imam al-Tabarani said: Sayyiduna Uthman bin Talhah (may Allah be pleased with him) bin Abi Talhah bin Abd al-Uzza bin Uthman bin Abdullah bin Abd al-Dar bin Qusayy al-Hajabi. He accepted Islam before the Conquest of Makkah. His mother is Umm Sa'id bint Shahidah, who was from the Ansar, from the people of Quba, from Amr bin Awf.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب المناقب / 16213