Mahmud Pasha Angelovi was the grand vizier of the Ottoman Empire from 1456 to 1466 and again from 1472 to 1474, who also wrote Persian and Turkish poems under the pseudonym Adni .
He was born in 1420, in the town of Novo Brdo, in the Serbian Despotate, at the time a vassal of the Ottoman Empire . After the Ottoman conquest of Thessaly in 1394, the ruling Angeloi Philanthropenoi family took refuge in Serbia. Mahmud Pasha and his brother Mihailo Anelovi were grandchildren of either Alexios or Manuel. He may have also been related to the noblemen Alessio and Peter Spani through Alexios III Angelos, who was possibly their ancestor. Although the contemporary Byzantine sources and Ibn Kemal calls him Serbian, some late Ottoman sources erroneously call him Croatian.
Source: Wikipedia