John of Saint-Denis
Bishop John-Nectarius (French: évêque Jean-Nectaire, Russian: Епископ Иоанн-Нектарий, secular name Evgraf Evgrafovich Kovalevsky, Russian: Евграф Евграфович Ковалевский; April 8, 1905 – January 30, 1970), was the First Hierarch of the Orthodox Church of France (ECOF) from 1966 until his death in 1970. He was the brother of the deacon and musicologist Maxime Kovalevsky (1903–1988) and the historian Pierre Kovalevsky (1901–1979).