William IV, Prince of Orange
| William IV | |
|---|---|
Portrait by unknown artist (1750) | |
| Prince of Orange Prince of Orange-Nassau | |
| Reign | 1 September 1711 – 22 October 1751 |
| Predecessor | John William Friso |
| Successor | William V |
| Stadtholder of the United Provinces | |
| Reign | 4 May 1747 – 22 October 1751 |
| Predecessor | William III |
| Successor | William V |
| Born | 1 September 1711 Leeuwarden, Dutch Republic |
| Died | 22 October 1751 (aged 40) Huis ten Bosch, The Hague, Dutch Republic |
| Burial | 4 February 1752 |
| Spouse | |
| Issue Details... | |
| House | Orange-Nassau |
| Father | John William Friso, Prince of Orange |
| Mother | Marie Louise of Hesse-Kassel |
| Signature | |
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William IV (Willem Karel Hendrik Friso; 1 September 1711 – 22 October 1751) was Prince of Orange from birth and the first hereditary stadtholder of all the United Provinces of the Netherlands from 1747 until his death in 1751. During his whole life, he was furthermore ruler of the Principality of Orange-Nassau within the Holy Roman Empire.