William Louis of Württemberg (January 7, 1647 – June 23, 1677) was the ruler of the senior Duchy of Württemberg from 1674 until his death in 1677.

William Louis was born in Stuttgart

Stuttgart

Stuttgart is the capital of the state of Baden-Württemberg in southern Germany. The sixth-largest city in Germany, Stuttgart has a population of 600,038 while the metropolitan area has a population of 5.3 million ....

, the ninth child of Eberhard III, Duke of Württemberg

Eberhard III, Duke of Württemberg

Eberhard III, Duke of Württemberg ruled as Duke of Württemberg from 1628 until his death in 1674....

, and his first wife Anna Katharina of Kyrburg.

At the age of 30, the Duke died unexpectedly at the stop-over in Schloß Hirsau

Hirsau

Hirsau is a district of the town of Calw in the German state of Baden-Württemberg, located in the south-west portion of the country, about two miles north of Calw and about twenty four miles west of Stuttgart.-Town:...

. His widow Magdalena Sibylla became regent of Württemberg between 1677 and 1693, until her son reached adulthood.

Issue

He married on November 6, 1673 in Darmstadt

Darmstadt

Darmstadt is a city in the Bundesland of Hesse in Germany, located in the southern part of the Rhine Main Area.The sandy soils in the Darmstadt area, ill-suited for agriculture in times before industrial fertilisation, prevented any larger settlement from developing, until the city became the seat...

 with Magdalena Sibylla of Hesse-Darmstadt

Magdalena Sibylla of Hesse-Darmstadt

Landgravine Magdalena Sibylla of Hesse-Darmstadt was regent of the Duchy of Württemberg from 1677 to 1693, and was a prominent German composer of baroque hymns.- Life :...

, and had 4 children:

• Eleonore Dorothea (1674-1674)
• Eberhardine Luise (1675-1675)
• Eberhard Ludwig (1676-1733), next Duke of Württemberg
• Magdalena Wilhelmine
  Magdalena Wilhelmine of Württemberg
  Magdalena Wilhelmine of Württemberg was a margravine of Baden. She had a place in the regency during the minority of her grandson in 1738-42....
  
   (November 7, 1677 - October 30, 1742), married Charles III William, Margrave of Baden-Durlach