Patriarch Parthenius III of Constantinople

Parthenius III was Ecumenical Patriarch of Constantinople in 16561657. In 1657 he was charged with treason by the Ottoman Sultan and hanged, after refusing to abjure his own Christian faith. He is hence revered as New Hieromartyr Parthenius III and his feast day in the Eastern Orthodox Church is March 24.

Parthenius was born in the island of Lesbos, and in 1639 he was elected metropolitan of Chios. OnJuly 1656 he became Ecumenical Patriarch, succeeding Joannicius II.

Source: Wikipedia