Who is the father of Qasim?

Who is the father of Qasim?

Hazrat Qasim was the youngest son of Imam Hassan (A.S.). He was born in the year 47 A.H., three years prior to the martyrdom of his father. When Imam Husayn was preparing to depart from Madina during the month of Rajab in 60 A.H., Hazrat Qasim's mother, Umme al-Farwa, requested Imam Husayn to allow her and Hazrat Qasim to accompany him.