Adolf (or Adolph) Frederick (Swedish: Adolf Fredrik; German: Adolf Friedrich; 14 May 1710 – 12 February 1771) was King of Sweden from 1751 until his death in 1771. He was the son of Christian August of Holstein-Gottorp, Prince of Eutin, and Albertina Frederica of Baden-Durlach. He was an uncle of Catherine the Great and husband to Louisa Ulrika of Prussia. After 220 years the House of Oldenburg returned to the Swedish throne with Adolf Frederick through its Holstein-Gottorp branch.
https://en.wikipedia.org/wiki/Adolf_Frederick_of_Sweden
Adolf (or Adolph) Frederick (Swedish: Adolf Fredrik; German: Adolf Friedrich; 14 May 1710 – 12 February 1771) was King of Sweden from 1751 until his death in 1771. He was the son of Christian August of Holstein-Gottorp, Prince of Eutin, and Albertina Frederica of Baden-Durlach. He was an uncle of Catherine the Great and husband to Louisa Ulrika of Prussia. After 220 years the House of Oldenburg returned to the Swedish throne with Adolf Frederick through its Holstein-Gottorp branch.
