Question: What country of origin does Brita Horn and Charles XIII of Sweden have in common?

full_context: Document 1: Order of Charles XIII: The Royal Order of Charles XIII (Swedish: "Kungliga Carl XIII:s orden" ) is a Swedish order of merit, founded by King Charles XIII in 1811.
Document 2: Charles XIII of Sweden: Charles XIII & II also Carl, Swedish: "Karl XIII" (7 October 1748 – 5 February 1818), was King of Sweden (as "Charles XIII") from 1809 and King of Norway (as "Charles II") from 1814 until his death. He was the second son of King Adolf Frederick of Sweden and Louisa Ulrika of Prussia, sister of Frederick II of Prussia.
Document 3: King Gustav III of Sweden and his Brothers: King Gustav III of Sweden and his Brothers is an oil painting by the Swedish portrait painter Alexander Roslin showing Gustav with his two brothers, Prince Frederick Adolf and Prince Charles, later Charles XIII of Sweden. Frederick is standing, Gustav is sitting to the left, and Charles is to the right. The painting is in the collection of the Swedish National Museum.
Document 4: Frederick William II of Prussia: Frederick William II (German: "Friedrich Wilhelm II." ; 25 September 1744 – 16 November 1797) was King of Prussia, from 1786 until his death. He was in personal union the Prince-elector of Brandenburg and (via the Orange-Nassau inheritance of his grandfather) sovereign prince of the Canton of Neuchâtel. Pleasure-loving and indolent, he is seen as the antithesis to his predecessor, Frederick II. Under his reign, Prussia was weakened internally and externally, and he failed to deal adequately with the challenges to the existing order posed by the French Revolution. His religious policies were directed against the Enlightenment and aimed at restoring a traditional Protestantism. However, he was a patron of the arts and responsible for the construction of some notable buildings, among them the Brandenburg Gate in Berlin.
Document 5: Hedvig Elisabeth Charlotte of Holstein-Gottorp: Hedwig Elisabeth Charlotte of Holstein-Gottorp (Swedish: "Hedvig Elisabeth Charlotta" ; 22 March 1759 – 20 June 1818) was Queen of Sweden and Norway as the wife of King Charles XIII and II. She was also a famed diarist, memoirist and wit. She is generally known in Sweden by her full pen name in Swedish (above), though her official name as queen was Charlotte.
Document 6: Hedvig Taube: Hedvig Ulrika Taube (31 October 1714 – 11 February 1744), also Countess von Hessenstein was a Swedish courtier and countess, a Holy Roman countess of the Empire, and royal mistress to king Frederick I of Sweden from 1731 to 1744. She is regarded as the only official royal mistress in Swedish history.
Document 7: Mariana Koskull: Henrietta Mariana "Marianne" Charlotta Koskull (1785–1841) was a Swedish noble and lady-in-waiting, known as the royal mistress of King Charles XIII of Sweden and King Charles XIV John of Sweden.
Document 8: Princess Christina, Mrs. Magnuson: Princess Christina, Mrs. Magnuson, {'1': ", '2': ", '3': 'LoK av KMO', '4': "} ("Christina Louise Helena", born 3 August 1943) is the youngest of four older sisters of King Carl XVI Gustaf of Sweden. She generally uses the name Christina Magnuson.
Document 9: Maria Caroline Charlotte von Ingenheim: Maria Caroline Charlotte von Ingenheim (1704-1749), was a German courtier. She was the royal mistress of Charles VII, Holy Roman Emperor, i 1719-1723, and the ancestral mother of the "Grafen von Holnstein aus Bayern" line.
Document 10: Juliane von Schwellenberg: Juliane Elisabeth von Schwellenberg (1728–1797), also known as "Madam Schwellenberg", was a bedchamber woman of the queen consort of Great Britain, Charlotte of Mecklenburg-Strelitz. She was a well known and prominent profile of the British royal court and household, where she took a dominant position. She is also frequently mentioned in contemporary satires, songs, memoirs, diaries and other writings, such as those of Fanny Burney, with whom she was involved in a famous conflict. von Schwellenberg was a favorite and confidant of queen Charlotte, and handled access between the queen and various supplicants, which gave her an important influence.
Document 11: House of Bernadotte: The House of Bernadotte ( ; ] ), the current royal house of Sweden, has reigned since 1818. Between 1818 and 1905, it was also the royal house of Norway. Its founder, Charles XIV John of Sweden (who was born Jean Bernadotte), was adopted by Charles XIII of Sweden, whose House of Holstein-Gottorp was becoming extinct.
Document 12: Hair jewellery: Hairwork, or jewelry made of human hair, has appeared throughout the history of craft work, particularly those made to be used for private worship or mourning. From the Middle Ages through the early twentieth century, memorial hair jewelry remained common. Hair, considered to be a remnant of the person it was cut from, also has often played a part in myths and legends; in a Swedish book of proverbs, one can read that “rings and bracelets of hair increase love” (Vadstena stads tankebok). One example can be found in Denmark, at Rosensborg’s palace, which is a bracelet of precious metal with a simple braided lock of hair - a gift from King Christian IV (1577-1648) to his queen. Another example would be the rings commemorating the execution of King Charles I of England (1600-1649), which circulated among his faithful supporters. Other famous people who owned hair jewellery include Napoleon, Admiral Nelson, Queen Victoria and her large family, Christina Nilsson and Jenny Lind.
Document 13: Brita Horn: Brita Margaretha Horn (1745 – 13 March 1791), was a Swedish countess and courtier. She is known for being the love interest of Charles XIII of Sweden from 1765 to 1771, during which Charles' wish to marry her was given political significance and used by the Caps (party) and Hats (party) during the age of liberty. She is also known for her correspondence with her spouse from 1775 to 1791, which has been partially published.
Document 14: Prince Carl Bernadotte: Carl Gustaf Oscar Fredrik Christian, Prince Bernadotte (10 January 1911 – 27 June 2003), originally Prince Carl, Duke of Östergötland, was the youngest child and only son of Prince Carl of Sweden and Princess Ingeborg of Denmark and eventually a prince of the Belgian nobility. To distinguish himself from his father, he was widely known as "Carl Junior." He was the brother of Princess Margaretha of Sweden, Queen Astrid of Belgium and Crown Princess Märtha of Norway.
Document 15: Gustav IV Adolf of Sweden: Gustav IV Adolf or "Gustav IV Adolph" (1 November 1778 – 7 February 1837) was King of Sweden from 1792 until his abdication in 1809. He was the son of Gustav III of Sweden and his queen consort Sophia Magdalena, eldest daughter of Frederick V of Denmark and his first wife Louise of Great Britain. He was the last Swedish ruler of Finland, the occupation of which by Russian Emperor Alexander I in 1808-09 was the immediate cause of his violent downfall. After an army revolt, the king was seized by officers and forced to relinquish the throne on behalf of his family on March 29, the anniversary of his father's death (due to gunshot wound, in 1792). The Instrument of Government subsequently written was adopted on June 6, the current National Day of Sweden, and was in effect until replaced in 1974. The crown (now with strictly limited powers) passed to his childless uncle, Charles XIII, whose want of heirs set into motion an intense quest for a successor who was found the following year in the person of Jean-Baptiste Bernadotte, who assumed the throne in 1818, commencing the present House of Bernadotte.
ground_truth: Swedish