ʿAqīl b. Abī Ṭālib, Abū Yazīd (d. ca. 50/670), was a Companion of the Prophet and brother of ʿAlī. His kunya has also been recorded as Abū ʿĪsā (see Ibn ʿAsākir, 4/41; Ibn al-Ḥajar, Tahdhīb, 7/254).

According to a well-known report, there was an interval of ten years between the birth of each of the sons of Abū Ṭālib and Fāṭima bint Asad, and therefore ʿAqīl was ten years older than Jaʿfar b. Abī Ṭālib and twenty years older than ʿAlī (see al-Kalbī, Jamhara, 30; al-Zubayrī, 39; Ibn Saʿd, 4/42). However, according to a saying attributed to Jaʿfar al-Ṣādiq, ʿAqīl was fifteen yea…