Answer: Turned them into slaves.
Step-by-step explanation:
When the Ottomans under Mehmed II finally breached the walls of Constantinople, he gave his soldiers permission to do as they pleased to the city for 3 days. What followed was a massacre of epic proportions as many were put to the sword.
According to Byzantine minister George Sphrantzes, the Ottoman Turks made slaves of Noble women, Virgins and Nuns after dragging them from their hiding places in the churches and homes and killed the elderly and the sick.