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
The Holy Roman Empire, also known as the Holy Roman Empire of the German Nation after 1512, was a polity in Central and Western Europe, usually headed by the Holy Roman Emperor. It developed in the Early Middle Ages, and lasted for a millennium ...
.
Early life
William was born in
Leeuwarden, Netherlands, the posthumous son of
John William Friso, Prince of Orange, head of the
Frisia
Frisia () is a Cross-border region, cross-border Cultural area, cultural region in Northwestern Europe. Stretching along the Wadden Sea, it encompasses the north of the Netherlands and parts of northwestern Germany. Wider definitions of "Frisia" ...
n branch of the
House of Orange-Nassau
The House of Orange-Nassau (, ), also known as the House of Orange because of the prestige of the princely title of Orange, also referred to as the Fourth House of Orange in comparison with the other noble houses that held the Principality of Or ...
, and of his wife
Landgravine Marie Louise of Hesse-Kassel (or Hesse-Cassel). He was born six weeks after the death of his father.
William succeeded his father as
Stadtholder of Friesland and also, under the regency of his mother until 1731, as
Stadtholder of Groningen. In 1722 he was elected
Stadtholder of Guelders. The four other provinces of the
Dutch Republic
The United Provinces of the Netherlands, commonly referred to in historiography as the Dutch Republic, was a confederation that existed from 1579 until the Batavian Revolution in 1795. It was a predecessor state of the present-day Netherlands ...
—
Holland
Holland is a geographical regionG. Geerts & H. Heestermans, 1981, ''Groot Woordenboek der Nederlandse Taal. Deel I'', Van Dale Lexicografie, Utrecht, p 1105 and former provinces of the Netherlands, province on the western coast of the Netherland ...
,
Zeeland
Zeeland (; ), historically known in English by the Endonym and exonym, exonym Zealand, is the westernmost and least populous province of the Netherlands. The province, located in the southwest of the country, borders North Brabant to the east ...
,
Utrecht
Utrecht ( ; ; ) is the List of cities in the Netherlands by province, fourth-largest city of the Netherlands, as well as the capital and the most populous city of the Provinces of the Netherlands, province of Utrecht (province), Utrecht. The ...
and
Overijssel—had in 1702 decided not to appoint a stadtholder after the death of stadtholder
William III, ushering the Republic into a period that is known as the
Second Stadtholderless Period. In 1747 those four provinces also
accepted William as their stadtholder.
Marriage and children
In 1733 William was made a
Knight
A knight is a person granted an honorary title of a knighthood by a head of state (including the pope) or representative for service to the monarch, the church, or the country, especially in a military capacity.
The concept of a knighthood ...
of the
Order of the Garter. On 25 March 1734 he married at
St James's Palace
St James's Palace is the most senior royal palace in London, England. The palace gives its name to the Court of St James's, which is the monarch's royal court, and is located in the City of Westminster. Although no longer the principal residence ...
Anne, Princess Royal, eldest daughter of
King George II of Great Britain and
Caroline of Ansbach. William and Anne had three children:
*
Princess Carolina of Orange-Nassau (28 February 1743 – 6 May 1787), married
Karl Christian of Nassau-Weilburg
* Princess Anna of Orange-Nassau (15 November 1746 – 29 December 1746) died in infancy.
*
William V, Prince of Orange
William V (Willem Batavus; 8 March 1748 – 9 April 1806) was Prince of Orange and the last Stadtholder of the Dutch Republic. He went into exile to London in 1795. He was furthermore ruler of the Principality of Orange-Nassau until his death in ...
(8 March 1748 – 9 April 1806)
Later life
In 1739 William inherited the estates formerly owned by the Nassau-Dillenburg branch of his family, and in 1743 he inherited those formerly owned by the Nassau-Siegen branch of his family.

In 1740, the
War of the Austrian Succession
The War of the Austrian Succession was a European conflict fought between 1740 and 1748, primarily in Central Europe, the Austrian Netherlands, Italian Peninsula, Italy, the Atlantic Ocean and Mediterranean Sea. Related conflicts include King Ge ...
broke out. The conflict pitted Austria against France over the issue of whether
Maria Theresa had the right to inherit her father
Emperor Charles VI's crown. The Dutch Republic sided with Austria in 1747 in order to maintain a buffer zone between itself and France, whereupon French troops invaded the
Austrian Netherlands
The Austrian Netherlands was the territory of the Burgundian Circle of the Holy Roman Empire between 1714 and 1797. The period began with the acquisition by the Austrian Habsburg monarchy of the former Spanish Netherlands under the Treaty of Ras ...
. In a few weeks, Louis XV's troops conquered most of the towns in the Austrian Netherlands where the Dutch had stationed troops under the
Barrier Treaty, as well as the most important towns in
Zeelandic Flanders. The Dutch Republic was at the time weakened by internal division. The Dutch decided that their country needed a single strong executive, and
turned to the House of Orange. William and his family moved from Leeuwarden to
The Hague
The Hague ( ) is the capital city of the South Holland province of the Netherlands. With a population of over half a million, it is the third-largest city in the Netherlands. Situated on the west coast facing the North Sea, The Hague is the c ...
. On 4 May 1747, the
States General of the Netherlands
The States General of the Netherlands ( ) is the Parliamentary sovereignty, supreme Bicameralism, bicameral legislature of the Netherlands consisting of the Senate (Netherlands), Senate () and the House of Representatives (Netherlands), House of R ...
named William General Stadtholder of all seven of the
United Provinces of the Netherlands, and made the position hereditary for the first time. William first met
Duke Louis Ernest of Brunswick-Lüneburg in 1747, and two years later appointed him field marshal of the
Dutch States Army, which later led to Louis Ernest serving as one of the regents for William's heir.
William IV was considered an attractive, educated, and accomplished prince in his prime. Although he had little experience in state affairs, William was at first popular with the people. He stopped the practice of indirect taxation by which independent contractors managed to make large sums for themselves. Nevertheless, he was also a Director-General of the
Dutch East India Company
The United East India Company ( ; VOC ), commonly known as the Dutch East India Company, was a chartered company, chartered trading company and one of the first joint-stock companies in the world. Established on 20 March 1602 by the States Ge ...
, and his alliance with the business class deepened while the disparity between rich and poor grew.

William served as General Stadtholder of all the Netherlands until he died of a stroke in 1751 at
The Hague
The Hague ( ) is the capital city of the South Holland province of the Netherlands. With a population of over half a million, it is the third-largest city in the Netherlands. Situated on the west coast facing the North Sea, The Hague is the c ...
.
The county of
Orange, Virginia, and the city of
Orangeburg, South Carolina, are named after him.
Ancestry
Notes
External links
*
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{{DEFAULTSORT:William 4, Prince of Orange
1711 births
1751 deaths
18th-century Dutch politicians
Princes of Orange
Counts of Nassau
Stadtholders in the Low Countries
House of Orange-Nassau
Lords of Breda
Knights of the Garter
Burials in the Royal Crypt at Nieuwe Kerk, Delft
People from Leeuwarden
Child monarchs from Europe
18th-century Dutch military personnel
Dutch military personnel of the War of the Austrian Succession
Stadtholders of Guelders and Zutphen
Stadtholders of Frisia