Frederick IV (18 October 1671 – 19 July 1702) was the reigning

Duke of Holstein The Duchy of Holstein (german: Herzogtum Holstein, da, Hertugdømmet Holsten) was the northernmost state of the Holy Roman Empire, located in the present German state of Schleswig-Holstein. It originated when King Christian I of Denmark had hi ...

Gottorp Gottorf Castle (german: Schloss Gottorf, da, Gottorp Slot, Low German: ''Gottorp'') is a castle and estate in the city of Schleswig, Schleswig-Holstein, Germany. It is one of the most important secular buildings in Schleswig-Holstein, and ha ...

. He was born in

Gottorf Castle Gottorf Castle (german: Schloss Gottorf, da, Gottorp Slot, Low German: ''Gottorp'') is a castle and estate in the city of Schleswig, Schleswig-Holstein, Germany. It is one of the most important secular buildings in Schleswig-Holstein, and ha ...

as the elder son of Duke Christian Albert of Holstein-Gottorp and Princess Frederica Amalia of Denmark. He was married on 12 May 1698 to Princess Hedwig Sophia of Sweden and they had an only child, Charles Frederick, who eventually fathered the future Tsar Peter III of Russia, therefore making Frederick a patrilineal ancestor to all Russian emperors after

Catherine II , en, Catherine Alexeievna Romanova, link=yes , house = , father = Christian August, Prince of Anhalt-Zerbst , mother = Joanna Elisabeth of Holstein-Gottorp , birth_date = , birth_name = Princess Sophie of Anha ...

. He took part in the

Great Northern War The Great Northern War (1700–1721) was a conflict in which a coalition led by the Tsardom of Russia successfully contested the supremacy of the Swedish Empire in Northern, Central and Eastern Europe. The initial leaders of the anti-Swed ...

and was killed by artillery fire in the

Battle of Kliszów The Battle of Kliszów (also spelled Klissow or Klezow) took place on July 19, 1702, near Kliszów in the Polish–Lithuanian Commonwealth during the Great Northern War. A numerically superior Polish–Saxon army led by king Augustus II the Str ...

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...

. According to Robert Massie's '' Peter the Great: His Life and World'', Duke Frederick arrived in Stockholm to marry his cousin, Princess Hedwig Sophia, soon befriending his first cousin and new brother-in-law,

King Charles XII Charles XII, sometimes Carl XII ( sv, Karl XII) or Carolus Rex (17 June 1682 – 30 November 1718 O.S.), was King of Sweden (including current Finland) from 1697 to 1718. He belonged to the House of Palatinate-Zweibrücken, a branch line of t ...

(their respective mothers, Frederica Amalia and

Ulrika Eleonora Ulrika Eleonora or Ulrica Eleanor (23 January 1688 – 24 November 1741), known as Ulrika Eleonora the Younger, was Queen of Sweden, reigning in her own right from 5 December 1718 until her abdication on 29 February 1720 in favour of her husband ...

, being daughters of Frederick III of Denmark). His visit made such an impression on Swedish society that the excesses surrounding him and the King earned him "the Gottorp Fury" as a nickname. Duke Frederick and King Charles regularly participated in wild festivities, drinking binges, and outlandish pranks. Generally, Duke Frederick's influence was the blame for the King's "reckless" lifestyle. There were even rumors at the time that the Duke sought to kill the King and usurp the throne. As it happened, according to Massie in the aforementioned book, the 17-year-old King Charles, in the summer of 1699, pushed himself to an unbearable point of excess and vowed never to touch another drop of liquor again. Apparently, writes Massie, the King stuck to beer thereafter, and even just drank beer when he was either wounded or post-battle. As for his relationship with his cousin Frederick, they remained on good terms, so much that King Charles gave him military assistance to defend

Holstein-Gottorp Holstein-Gottorp or Schleswig-Holstein-Gottorp () is the historiographical name, as well as contemporary shorthand name, for the parts of the duchies of Schleswig and Holstein, also known as Ducal Holstein, that were ruled by the dukes of Schlesw ...

from

Danish Danish may refer to: * Something of, from, or related to the country of Denmark People * A national or citizen of Denmark, also called a "Dane," see Demographics of Denmark * Culture of Denmark * Danish people or Danes, people with a Danish a ...

invasion.

Ancestry

Notes and references

See also