Frederik IX was King of Denmark from 1947 to 1972.
Born into the House of Glücksburg, Frederik was the elder son of King Christian X and Queen Alexandrine. He became crown prince when his father succeeded as king in 1912. As a young man, he was... Wikipedia
Born: March 11, 1899, Sorgenfri Palace, Lyngby, Denmark
Died: January 14, 1972 (age 72 years), Copenhagen Municipal Hospital
Children: Margrethe II, Princess Benedikte of Denmark, and Queen Anne-Marie of Greece
Grandchildren: Frederik X, Prince Joachim of Denmark, Pavlos, Crown Prince of Greece, and more
Spouse: Ingrid of Sweden (m. 1935–1972)
Great grandchildren: HRH Crown Prince Christian, Princess Isabella of Denmark, Count Nikolai of Monpezat, and more