Enno III, Count of East Frisia

Enno III of Ostfriesland or Enno III of East Frisia was a Count of Ostfriesland from 1599 to 1625 from the Cirksena family. His reign was marked by political conflict with the estates and the city of Emden, deepening dependence on the Dutch Republic, and severe financial and territorial setbacks during the early phases of the Thirty Years’ War.