Köprülü family
Köprülüzade Fazıl Mustafa Pasha ("Köprülü Mustafa Pasha the Wise", also known as Gazi Fazıl Mustafa Köprülü (; 1637 – 19 August 1691, Slankamen) served as the Grand Vizier of the Ottoman Empire from 1689 to 1691, when the Empire was engaged in a war against the Holy League countries in the Great Turkish War. He was a member of the Köprülü family of Albanian origin. His father Köprülü Mehmed Pasha, his elder brother Köprülü Fazıl Ahmed Pasha, as well as his two brothers-in-law (Kara Mustafa Pasha and Abaza Siyavuş Pasha) were former grand viziers. His epithet "Fazıl" means "wise" in Ottoman Turkish.