Maria of Ostfriesland
(1582-1616)
(1582–1616)
Parents
Edzard II, Count of East Frisia
Catherine Vasa of Sweden
Children
Siegmund Hienrich von Braunschweig-Lüneburg-Dannenberg
Marie Katharina of Brunswick-Dannenberg
Siblings
Anne of Ostfriesland
Enno III, Count of East Frisia
John III of Rietberg
Christoph Gretsil
Partners
Julius Ernst, Duke of Brunswick-Dannenberg