Barbara Sophie of Brandenburg

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Barbara Sophia of Brandenburg
Princess Barbara Sophia of Brandenburg, the later Duchess and Regent of Württemberg
Duchess consort of Württemberg
Tenure	5 November 1609 – 18 July 1628
Born	(1584-11-16)16 November 1584 Halle, Germany
Died	13 February 1636(1636-02-13) (aged 51) Strasbourg, Germany
Burial	Stiftskirche (Stuttgart)
Spouse	John Frederick, Duke of Württemberg ​ ​ (m. 1609; died 1628)​
Issue among others…	Antonia of Württemberg Eberhard III, Duke of Württemberg Frederick, Duke of Württemberg-Neuenstadt
House	Hohenzollern
Father	Joachim Frederick, Elector of Brandenburg
Mother	Catherine of Brandenburg-Küstrin

Barbara Sophia of Brandenburg (16 November 1584 – 13 February 1636) 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 the Catherine of Küstrin (1549–1602) and Elector Joachim Frederick of Brandenburg.