Al-Sāʾib bin ʿUthmān bin MaẓʿūnṬabaqāt Ibn Saʿd: 3/1/292, Nisab Quraysh: 393, Ṭabaqāt Khalīfa: 25, al-Jarḥ wa al-Taʿdīl: 4/241-242, Mashāhīr ʿUlamāʾ al-Amṣār: entry 188, al-Istiʿāb: 4/114, Usd al-Ghābah: 2/318, Tārīkh al-Islām: 1/368, al-ʿIqd al-Thamīn: 4/505-506, al-Iṣābah: 4/114. (; died 632 AD) was the son of the sahabi Uthman ibn Maz'un and Khawlah bint Hakim. He was among the companions of the Islamic prophet Muhammad, who participated in the battles of Badr, Uhud, Khandaq and Al-Yamama, and he was a well-known archer.Al-Aʿlām lil-Zarkalī 3/68
Biography Al-Sāʾib bin ʿUthmān bin Maẓʿūn participated in the second migration to Abyssinia, alongside his family (Banu Maẓʿūn) and sahaba. He returned to Medina after the Hijrah occurred and participated in the Battle of Badr, Uhud and Khandaq alongside his father and uncles, Qudāmah ibn Maẓʿūn and ʿAbdullāh bin Maẓʿūn.
Muhammad established a bond of brotherhood between Al-Sāʾib and Ḥārithah bin Suraqah al-Anṣārī, who was martyred at Badr.Aḥmad 1/260, 1/264, 1/272, al-Bukhārī 2809, Book of Maghāzī 3982, 6560, 6567 He also participated in the battle of Al-Yamama.
Death Al-Sāʾib died from injuries he sustained during the battle of Al-Yamama at the approximate age of thirty,Al-Thiqat li-Ibn Hibban 3/172 after getting struck by an arrow.
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