On the accession of Canute VI in 1182, an imperial ambassador arrived at Roskilde to the new king swear fealty to Frederick Barberossa, but Absalon resolutely withstood him.

Ultimately, Frederick prevailed in all those conflicts by outliving his opponents and sometimes inheriting their lands, as was the case with his nephew Ladislaus, from whom he gained Lower Austria in 1457, and with his brother Albert VI, whom he succeeded in Upper Austria.

Emperor Frederick Barbarossa and his sons King Henry VI and Duke Frederick V, Duke of Swabia | Frederick V of Swabia, Welfenchronik, 1167 / 79, Weingarten Abbey

Frederick died in 1190 while on the Third Crusade and was succeeded by his son, Henry VI.

* Frederick VI, Duke of Swabia ( r. 1170-1191 )

Count Frederick III of Zollern was a loyal retainer of the Holy Roman Emperors Frederick Barbarossa and Henry VI, and around 1185 he married Sophia of Raabs, the daughter of Conrad II, Burgrave of Nuremberg.

* 1420 – 1427: Frederick VI / I / I, ( brother of, also Elector of Brandenburg and Margrave of Brandenburg-Ansbach )

After John III / I's death on 11 June 1420, the two principalities were briefly reunited under Frederick VI / I / I.

From 1412 Frederick VI became Margrave of Brandenburg as Frederick I and Elector of Brandenburg as Frederick I.

A new Danish translation with the text in Old Norse and a Latin translation came out in 1777-1783 ( by order of Frederick VI as crown prince ).

* 1882 – Adolphus Frederick VI, Grand Duke of Mecklenburg-Strelitz ( d. 1918 )

* 1186 – Henry VI, the son and heir of the Holy Roman Emperor Frederick I, marries Constance of Sicily.

* 1814 – Treaty of Kiel: Frederick VI of Denmark cedes Norway to Sweden in return for Pomerania.

Amalric II had already inherited Cyprus from Guy, and had been crowned king by Frederick Barbarossa's son, Emperor Henry VI.

The Holy Roman Emperor Henry VI expected to be succeeded by his infant son Frederick as king of Sicily, king of the Germans, and Roman Emperor, a combination that would have brought Germany, Italy, and Sicily under a single ruler and left the patrimonium exceedingly vulnerable.

The early death of Henry VI left his 4-year-old son Frederick II as king.

After the death of Emperor Henry VI, who had recently also conquered the Kingdom of Sicily, the succession became disputed: as Henry's son Frederick was still a small child, the partisans of the Staufen dynasty elected Henry ’ s brother, Philip, Duke of Swabia, king in March 1198, whereas the princes opposed to the Staufen dynasty elected Otto, Duke of Brunswick, of the House of Welf.

Some of these grants were later confirmed by Henry VI, Otto IV and Frederick II.

* 1811 – The University of Oslo is founded as The Royal Fredericks University, after Frederick VI of Denmark and Norway.

A daughter of Frederick V, Elector Palatine, and Elizabeth Stuart, also known as the " Winter King and Queen of Bohemia " for their short rule in that country, Sophia was born in The Wassenaer Hof, The Hague, Dutch Republic, where her parents fled into exile after the Battle of White Mountain. She was also the granddaughter of James VI of Scotland., At birth, Sophia was granted an annuity of 40 thalers by the Estates of Friesland.

Albert married first, to Princess Dorothea ( 1 August 1504-11 April 1547 ), daughter of King Frederick I of Denmark, in 1526.

On one occasion in 1709, for instance, Frederick IV of Denmark, also paid them a visit and he was greeted as their King.

Denmark tried to solve the problem by giving the Faroes to Christoffer Gabel ( and later on his son, Frederick ) as a personal feudal estate.

* 1670 – King Frederick III of Denmark ( b. 1609 )

* Frederick V of Denmark ( 1723 – 1766 ), king of Denmark and Norway

Four generations of List of Danish Monarchs | Danish kings in 1903: Christian IX of Denmark | King Christian IX ( left ), Christian X of Denmark | Christian ( X ) ( back ), Frederick VIII of Denmark | Frederick ( VIII ) ( right ), and Frederick IX of Denmark | Frederick ( IX ) ( front ).

* 1534 – Frederick II of Denmark and Norway and Duke of Schleswig ( d. 1588 )

* 1843 – Frederick VIII of Denmark ( d. 1912 )

She was a daughter of Frederick William of Nassau-Weilburg ( 1768 – 1816 ) and his wife Burgravine Louise Isabelle of Kirchberg.

* December 3 – Frederick VI, King of Denmark, ex-King of Norway ( b. 1768 )

The couple produced five children: Frederick, Augusta ( 1768 ), William Henry ( 1769 ), Henry Jr. ( 1771 ), and Harriet ( 1772 ).

Frederick Augustus Hervey, 4th Earl of Bristol, PC ( 1 August 1730 – 8 July 1803 ), known as The Earl-Bishop, was Bishop of Cloyne from 1767 to 1768 and Bishop of Derry from 1768 to 1803.

* 1766 – 1768 Frederick Cornwallis

In 1768, Frederick was accused of abduction and rape by Sarah Woodcock, a noted beauty who kept a milliner's shop at Tower Hill.

The Treaty of Fort Stanwix in October, 1768 followed difficulties for Croghan's Indian diplomacy: Frederick Stump's murder and scalping of Indians on the Susquenhanna in January, the Black Boys ' pledge to kill Croghan on his way to an Indian conference in Pittsburgh in March, and Lord Hillsborough's assumption of American affairs in London.

* 1768: Lord Frederick Campbell

George Berkeley, Ireland's most important philosopher, was dean of Derry ( 1724 – 33 ), and another well-known and eccentric cleric, Frederick Augustus Hervey, 4th Earl of Bristol, was Bishop of Derry ( 1768 – 1803 ).

On 31 July 1790 in Gottorp, she married her first cousin, Crown Prince Frederik of Denmark ( 1768 – 1839 ) and Regent of the Realm, the future King Frederick VI of Denmark.

* Frederick William, Duke of Nassau ( 25 October 1768, The Hague-9 January 1816 ).

* Frederick VI of Denmark ( 1768 – 1839 )

Frederick wrote an account of his father's life, Memoires pour servir a l ' histoire de la Corse, and also an English translation, both published in London in 1768.

The young princess was christened on 6 December 1768, by Frederick Cornwallis, The Archbishop of Canterbury, in the Great Council Chamber at St. James's Palace.