ใครแต่งงานกับJohn Frederick, Duke of Württemberg?

John Frederick of Württemberg (5 May 1582, in Montbéliard – 18 July 1628) was the Duke of Württemberg from 4 February 1608 until his death on 18 July 1628 whilst en route to Heidenheim.

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.