Question: Prince Ulrik John of Denmark was the song of Frederick II of Denmark, the King of Denmark and which other country?

Documents:
source: Frederick II of Denmark
text: Frederick II of Denmark Frederick II (1 July 1534 – 4 April 1588) was King of Denmark and Norway and duke of Schleswig from 1559 until his death.

source: Ulrik of Denmark (1578–1624)
text: Ulrik of Denmark (1578–1624) Prince Ulrik John of Denmark, (Koldinghus Palace, Kolding, 30 December 1578 – 27 March 1624, Rühn) was a son of King Frederick II of Denmark and his consort, Sophie of Mecklenburg-Güstrow. As the second-born son he bore the merely titular rank of "Duke of Holstein and Schleswig, Stormarn and Ditmarsh" and had no share in the royal-ducal condominial rule of Holstein and Schleswig, wielded by the heads of the houses of Oldenburg (royal) and its cadet branch Holstein-Gottorp (ducal). Since 1602 he held the religiously defunct position of "Bishop of Schleswig", enjoying the revenues of the implied estates and manor. The year after he succeeded his grandfather as "Administrator of the Prince-Bishopric of Schwerin", holding both posts until his death.

source: Northern Seven Years' War
text: Northern Seven Years' War The Northern Seven Years' War (also known as the "Nordic Seven Years' War", the "First Northern War" or the "Seven Years War in Scandinavia") was fought between the Kingdom of Sweden and a coalition of Denmark–Norway, Lübeck and Poland between 1563 and 1570. The war was motivated by the dissatisfaction of King Frederick II of Denmark with the dissolution of the Kalmar Union, and the will of King Eric XIV of Sweden to break Denmark's dominating position. The fighting continued until both armies had been exhausted, and many men died. The resulting Treaty of Stettin was a stalemate, with neither party gaining any new territory.

source: Duke of Aosta
text: Duke of Aosta In the mid-13th century the Hohenstaufen Holy Roman Emperor Frederick II made the County of Aosta a duchy; its arms were carried in the Savoyard coat of arms until the unification of Italy in 1870. The region remained part of Savoy lands, with the exception of a French occupation, 1539—1563. The title Duke of Aosta was given to various princes of the dynasty of Sardinia, second sons of the reigning monarch. It can be compared to the English Duke of York, French Duke of Orléans, Swedish Duke of Södermanland and the Scottish Duke of Albany. It remained in the branch of Prince Amedeo of Savoia, the second son of king Victor Emanuel II of Italy, as he was the first ever cadet prince Duke of Aosta who left male heirs. The subsidiary titles of the Duke of Aosta are, from the heritage of Maria Vittoria dal Pozzo, the mother of Duke Emanuele Filiberto, Prince della Cisterna and of Belriguardo, Marquess of Voghera, and Count of Ponderano. Ponderano was created in 1559, Voghera in 1618; Cisterna and Belriguardo as princely in 1670. The title has been used since July 2006 by Amedeo's son Prince Aimone, Duke of Apulia (born 1967), who is married to Princess Olga of Greece, younger daughter of Prince Michael of Greece and Denmark.

source: Hans Hermann von Katte
text: Hans Hermann von Katte Hans Hermann von Katte (28 February 1704 – 6 November 1730) was a Lieutenant of the Prussian Army and the friend of the future King Frederick II of Prussia, who was at the time the Crown Prince. He was executed by Frederick's father King Frederick William I of Prussia when Frederick II plotted to escape from the Kingdom of Prussia to the Kingdom of Great Britain. Some believe that Frederick intended to defect to the service of George II of Great Britain (Frederick William's maternal first cousin and Frederick's maternal uncle) and possibly return to Prussia to depose Frederick William.

source: Henry Frederick, Prince of Wales
text: Henry Frederick, Prince of Wales Henry Frederick, Prince of Wales (19 February 1594 – 6 November 1612) was the elder son of James VI and I, King of England and Scotland, and his wife, Anne of Denmark. His name derives from his grandfathers: Henry Stuart, Lord Darnley, and Frederick II of Denmark. Prince Henry was widely seen as a bright and promising heir to his father's thrones. However, at the age of 18, he predeceased his father when he died of typhoid fever. His younger brother Charles succeeded him as heir apparent to the English, Irish and Scottish thrones.

source: Frederick of Pettorano
text: Frederick of Pettorano Frederick of Pettorano ("c". 1212/3 – after 1240) was the eldest illegitimate son of Frederick II, king of Sicily and Germany. He was born on Sicily to an Italo-Norman noblewoman after his father's first marriage to Constance of Aragon. This mistress's name is unknown, but she came from a family of Norman counts on Sicily and had a relationship with the teenage Frederick between 1211 and 1212. Their relationship ended when King Frederick went to Germany and in 1213 took up with another woman, a certain Adelaide. Besides Frederick of Pettorano, Frederick II probably named two other sons after himself: another illegitimate son, Frederick of Antioch, and a legitimate son by his wife Isabella. This last is known only by the initial "F." and died young.

source: Augusta of Denmark
text: Augusta of Denmark Princess Augusta of Denmark (8 April 1580 – 5 February 1639) was the third daughter of King Frederick II of Denmark and Sophia of Mecklenburg-Güstrow, and Duchess of Holstein-Gottorp as the wife of Duke John Adolf. She was politically influential during the reign of her son, Duke Frederick III.

source: Sophie of Mecklenburg-Güstrow
text: Sophie of Mecklenburg-Güstrow Sophie of Mecklenburg-Güstrow (4 September 1557 – 14 October 1631) was Queen of Denmark and Norway by marriage to Frederick II of Denmark. She was the mother of King Christian IV of Denmark. She was Regent of Schleswig-Holstein 1590–1594.

source: Ulrik of Denmark (1611–1633)
text: Ulrik of Denmark (1611–1633) Prince Ulrik of Denmark, (2 February 1611 - 12 August 1633) was a son of King Christian IV of Denmark and his consort Queen Anne Catherine of Brandenburg. As the fourth-born son, he bore the merely titular rank of Duke of Holstein and Schleswig, Stormarn and Ditmarsh; however, he had no share in the royal-ducal condominial rule of Holstein and Schleswig, wielded by the heads of the houses of Oldenburg (royal) and its cadet branch Holstein-Gottorp (ducal). In 1624 Ulrik was appointed administrator of the Prince-Bishopric of Schwerin as Ulrich III. However, in 1628 Wallenstein's conquest of the prince-bishopric de facto deposed him. His father had to renounce all his family claims to prince-bishoprics in 1629. When in 1631 Swedish forces reconquered the prince-bishopric Ulrik failed to reascend as administrator.

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Answer: Norway