Barbara Sophie of Brandenburg
Barbara Sophia of Brandenburg was duchess of Württemberg by marriage to Duke John Frederick of Württemberg and acted as regent of the Duchy of Württemberg for their minor son, Duke Eberhard III of Württemberg, in 1631–1633.
She was the daughter of... Wikipedia
Born: November 16, 1584, Halle (Saale), Germany
Died: February 13, 1636 (age 51 years), Strasbourg, France
Great-grandparents: Joachim II Hector, Joachim I Nestor, Elector of Brandenburg, Elizabeth of Denmark, Electress of Brandenburg, and more
Spouse: John Frederick, Duke of Württemberg (m. 1609–1628)