Anna of Oldenburg
…sons, Johan II and Edzard II. Her reign lasted until 1561 and was generally supported by the Estates. Anna was born in Oldenburg as the only daughter of Count Johann ΧΙV von Oldenburg-Delmenhorst (1483-1526) and Princess Anna von Anhalt-Zerbst (1460-1531). She had four surviving brothers Johann VI, Georg, Christopher…