Louis III, Duke of Württemberg

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Louis III
Duke of Württemberg
Reign	28 December 1568 – 18 August 1593
Predecessor	Christoph
Successor	Frederick I
Born	1 January 1554 Stuttgart
Died	18 August 1593(1593-08-18) (aged 39) Stuttgart
Spouses	Dorothea Ursula of Baden-Durlach ​ ​ (m. 1575; died 1583)​ Ursula of Veldenz ​ (m. 1585)​
House	Württemberg
Father	Christoph, Duke of Württemberg
Mother	Anna Maria of Brandenburg-Ansbach

Louis III, Duke of Württemberg, (German: Ludwig der Fromme; 1 January 1554, in Stuttgart – 18 August 1593, in Stuttgart) was a German nobleman. He was the Duke of Württemberg, from 1568 until his death.

The only surviving son of Christoph, Duke of Württemberg, he succeeded him on his death on 28 December 1568. His reign was at first under the guardianship of his mother Anna Maria von Brandenburg-Ansbach, Duke Wolfgang von Zweibrücken and Margraves George Frederick, Margrave of Brandenburg-Ansbach and Charles II, Margrave of Baden-Durlach, in the name of Count Heinrich II zu Castell.

Louis married twice. On 7 November 1575, he married Dorothea Ursula (20 June 1559 – 19 May 1583), a daughter of Margrave Charles II of Baden-Durlach. His second wife was Ursula (24 February 1572 – 5 March 1635), a daughter of Count Palatine George John I of Zweibrücken-Veldenz. Both marriages were childless.

• (in German) Otto von Alberti: Ludwig, Herzog von Württemberg In: Allgemeine Deutsche Biographie (ADB). Volume 19. Duncker & Humblot, Leipzig 1884, S. 597 f.