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Jaʿfar ibn ʿAlī ibn Abī Ṭālib (Arabic: جَعْفَر ٱبْن عَلِيّ ٱبْن أَبِي طَالِب) was a son of Ali and Umm al-Banin. He was named by Ali after the latter's brother, Ja'far ibn Abi Talib. The younger Ja'far was one of the companions of Husayn in the Battle of Karbala, where he was martyred on Ashura alongside his brothers Abbas, Abdullah and Uthman.[1][2][3][4]
