Al-Qasim ibn Hasan ibn Ali

Al-Qāsim ibn al-Ḥasan (Arabic: القاسم بن الحسن) (Sha'ban 7, 47 AH / October 4, 667 CE in Medina – Muharram 10, 61 AH / October 10, 680 CE in Karbala) was the son of Hasan ibn Ali. He supported his uncle Husayn ibn Ali in fighting off the Umayyad forces during the Battle of Karbala where he was killed at the age of 13.