Hertigen av Västerbotten Marsch - Duke of Västerbotten March.

Prince Gustaf Adolf Oscar Fredrik Arthur Edmund, Duke of Västerbotten (22 April 1906 – 26 January 1947) was a Swedish prince, who for most of his life was second in the line of succession to the Swedish throne. He was the eldest son of Gustaf VI Adolf, who was crown prince for most of his son's life and ascended the Swedish throne three years after his son's death. The current king, Carl XVI Gustaf, is Prince Gustaf Adolf's son. The prince was killed on 26 January 1947 in an airplane crash at Kastrup Airport, Copenhagen, Denmark.

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