Märtha and Olav on the cover of Time on the occasion of their wedding

Märtha, Crown Princess of Norway, Princess of Sweden (1901–1954), full name, Märtha Sofia Lovisa Dagmar Thyra, married her cousin Crown Prince Olav of Norway (later King Olav V) on March 21, 1929, and so became the Crown Princess of Norway. She and her husband had three children: Harald, Ragnhild and Astrid. Märtha was the daughter of Prince Charles of Sweden and Ingeborg of Denmark. After a long fight against cancer the Crown Princess died in 1954, three years before her husband became king. This is a magazine cover. ... This is a magazine cover. ... 1901 was a common year starting on Tuesday (see link for calendar). ... 1954 was a common year starting on Friday of the Gregorian calendar. ... Olav V (July 2, 1903 - January 17, 1991) reigned as King of Norway from 1957 to 1991. ... March 21 is the 80th day of the year in the Gregorian Calendar (81st in leap years). ... 1929 was a common year starting on Tuesday (link will take you to calendar). ... King Harald V of Norway (Photo from the October 2003 State Visit to Brazil). ... Princess Ragnhild, Mrs. ... Princess Astrid Mrs Ferner was born on 12 February 1932 and is the daughter of Olav V of Norway. ... Prince Carl of Sweden and Norway, Oscar Carl Vilhelm, Duke of Westrogothia (February 27, 1861 - October 24, 1951), was the third son of King Oscar II of Sweden and Norway. ... Ingeborg of Denmark (1878 - 1958) was the wife of Prince Charles of Sweden whom she married in 1897. ... Cancer is a class of diseases characterized by uncontrolled cell division and the ability of these cells to invade other tissues, either by direct growth into adjacent tissue (invasion) or by migration of cells to distant sites (metastasis). ...