Ulrich II, Count of East Frisia Ruler of East Frisia in the later years of the Thirty Years' War (1605-1648) (1605–1648) Parents Anna of Holstein-Gottorp Enno III, Count of East Frisia Children George Christian, Prince of East Frisia Count Ferdinand Edzard of East Frisia Enno Louis, Prince of East Frisia Siblings Christina Sophia of East-Frisia Agnes of Ostfriesland Anna Maria of Ostfriesland Sabina Catherine of East Frisia Rudolf Christian, Count of East Frisia Partners Juliana of Hesse-Darmstadt
