Al-ʿAbbās b. ʿAlī (Arabic: العبّاس بن علي) (b. 26/647 - d. 61/680), known as Abū l-Faḍl (the Father of Excellence) and Qamar Banī l-Hāshim (the Moon of Banu Hashim), is the son of Imam Ali (a) and Umm al-Banin. He was the commander and standard-bearer of the caravan of Imam al-Husayn (a) in the Battle of Ashura'. Abbas is considered by Shi'a among the children of Imams (a) holding the highest positions. Shi'a speak of his merits and mourn for him especially on the Day of Tasu'a (9th of Muharram).
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|Role||Commander and standard-bearer of Imam al-Husayn's Army|
|Epithet||Qamar Bani Hashim, Bab al-Hawa'ij|
|Father||Imam 'Ali (a)|
|Birth||Sha'ban 4, 26/May 15, 647|
|Place of Birth||Medina|
|Place(s) of Residence||Medina|