Tribe
Banū Jumaḥ
بنو جمح
Mecca
Descendants of Jumaḥ ibn ʿAmr ibn Huṣayṣ, brother of Sahm. Includes ʿUthmān ibn Maẓʿūn, an early companion. Umayya ibn Khalaf — opponent of the Prophet ﷺ killed at Badr — was from this clan.
Sources: Wikipedia and classical Islamic biographical literature compiled by automated researchers.