William III

Landgrave of Thuringia and Duke of Luxembourg (1425–1482)

Parents

• Catherine of Brunswick-Lüneburg
• Frederick I

Children

• Margaret of Thuringia
• Katharina of Thuringia

Siblings

• Catherine of Saxony, Electress of Brandenburg
• Anna of Saxony, Landgravine of Hesse
• Henry of Saxony
• Sigismund of Saxony
• Frederick II

Partners

• Katharina von Brandenstein
• Catherine von Brandenstein
• Anne of Austria, Landgravine of Thuringia