The Banu Qurayza (Arabic: بني قريظة; بنو قريظة alternate spellings include Quraiza, Qurayzah, Quraytha, and the archaic Koreiza) were a Jewish tribe which lived in northern Arabia, at the oasis of Yathrib (presently known as Medina), until the 7th century. Sometime after the Battle of the Trench in April or later in 627 AD their conflict with Muhammad led to a 25-day siege of Banu Qurayza ending in the tribe's surrender.[1] There is much debate about the number executed with some estimating that between 400-900 males were beheaded,[2] while the Sunni hadith simply state that all male members were killed, without specifying a figure, and one woman.[3]