Demiana Victor, who was injured in the Botroseya church bombing on December 11, died of her injuries at Al-Galaa Military Hospital on Saturday, bringing the death toll of the blast to 29.
Victor is a ninth grade pupil at Notre Dame des Apotres school, and the eldest among her brothers.
The funeral will be held at Botroseya church in Abbasiya at noon on Sunday.
The "Islamic State" terrorist group claimed responsibility for the bombing attack at Cairo's largest Coptic cathedral that killed 29 people and injured 45 others.
Many of the victims were women and children attending Sunday mass, in the deadliest attack on Egypt's Christian minority in years....