Gustaf VI Adolf (Oscar Fredrik Wilhelm Olaf Gustaf Adolf) was King of Sweden from 29 October 1950 until his death. He was the eldest son of King Gustaf V and his wife, Victoria of Baden, and had been Crown Prince of Sweden for the preceding 43 years in the reign of his father.
The title and styles used by King Gustaf VI Adolf during his lifetime were:
11 November 1882 – 8 December 1907: "His Royal Highness The Duke of Skåne, Prince of Sweden"
The royal style used in official documents was: "Gustaf Adolf, med Guds nåde, Sveriges, Götes och Vendes Konung" ("Gustaf Adolf, by the Grace of God, Sweden's, Gothia's and Wendia's King").