- male, deceased (1156)
- William (August 17, 1153 - 1156) was the first child of Henry Plantagenet (later Henry II of England) and Eleanor of Aquitaine, born on the same...
- male, deceased (1700)
- Prince William of Denmark and Norway, Duke of Gloucester (24 July 1689 - 29 July 1700) was the only child of Princess Anne of Denmark and Norway...
- male, deceased (1765)
- The Prince William, Duke of Cumberland (William Augustus; 15 April 1721 - 31 October 1765) was a younger son of George II of Great Britain and...
- male, deceased (1338)
- William was the third son of Frederick III of Sicily and Eleanor of Anjou He inherited the Duchy of Athens and Neopatria after the death of his...
- male, deceased (1120)
- William de Mortaigne, Count of Mortain was the son of Robert, Count of Mortain, the half-brother of William I of England. From childhood, he...
- male, deceased (1609)
- John William (28 May, 1562 - 25 March, 1609) was a Duke of Julich-Cleves-Berg. His parents were William IV "The Rich" Duke of...
- male, deceased (1688)
- Frederick William was the Elector of Brandenburg and the Duke of Prussia from 1640 until his death. He was of the House of Hohenzollern and is...
- male, deceased (1705)
- George William (German: Georg Wilhelm; 26 January 1624, Herzberg am Harz - 28 August 1705, Wienhausen) was duke of Brunswick-Lüneburg and ruled f...
- male, deceased (1640)
- George William (German: "Georg Wilhelm") (13 November 1595 - December 1 1640) of the Hohenzollern dynasty was margrave and elector of Brandenburg...
- male, deceased (1618)
- Philip William, Prince of Orange. He was the eldest son of William the Silent by his first wife Anna van Egmond en Buren. Knight of the Golden...
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