Tribe
Banū al-Muṭṭalib
بنو المطلب
Mecca · pre-Islamic Arabian polytheism
Descendants of al-Muṭṭalib ibn ʿAbd Manāf, brother of Hāshim. The Banū al-Muṭṭalib stood with Banū Hāshim during the Quraysh boycott (shiʿb Abī Ṭālib, c. 616-619 CE) and the Prophet ﷺ said: "Banū Hāshim and Banū al-Muṭṭalib are one thing." They share in khums of the Prophet's family.
Sources: Wikipedia and classical Islamic biographical literature compiled by automated researchers.