Ibrahim al-Akbar ibn Musa al-Kazim

Ibrahim al-Akbar is counted among the sons of Imam Musa al-Kazim whom specialist Talibid genealogists distinguish from another son named Ibrahim, Ibrahim al-Asghar al-Murtada. Earlier general biographical works often name only one Ibrahim, but Bahr al-Ulum explains that naming one does not explicitly deny a second and that the specialist genealogists' express distinction deserves greater weight.

In Umdat al-Talib, Ibn Inaba calls him Ibrahim al-Akbar and associates him with the figure who appeared in Yemen during the Abu al-Saraya movement. The same genealogical discussion preserves disagreement about his descendants, while the younger Ibrahim's continuing line is treated separately and more securely. It is therefore unsafe to attach a definite descendant branch to Ibrahim al-Akbar.

Al-Tabari, Ibn al-Athir, and later historical summaries report that an Ibrahim ibn Musa ibn Jafar left Mecca for Yemen and acquired authority there in 200 AH. The same undifferentiated name appears in connection with pilgrimage and political authority in Mecca in 202 AH. These chronicles do not say elder or younger, so the events are retained here only as a strong genealogical attribution that remains explicitly disputed.

Some political chronicles call him al-Jazzar and accuse the Yemen ruler of harsh killing, captivity, and seizure of property. This is a hostile narrative designation, not a neutral personal title. It is therefore retained only with source attribution and is not converted into a sectarian or moral verdict.

No reliable exact birth date, mother, definitive descendants, date or place of death, or burial is established for him. Later grave claims in Baghdad, al-Kazimiyya, or Karbala generally concern Ibrahim al-Asghar al-Murtada or an undifferentiated Ibrahim identity. The present record keeps shrine and geographic linkage blank and records burial as unknown.