Who is the son of Princess Märtha of Sweden and King Olav V?
Princess Märtha of Sweden Princess Märtha of Sweden (Märtha Sofia Lovisa Dagmar Thyra; 28 March 1901 – 5 April 1954) was Crown Princess of Norway as the spouse of the future King Olav V from 1929 until her death in 1954. The presently reigning King Harald V is her only son.
Prince Daniel, Duke of Västergötland Prince Daniel of Sweden, Duke of Västergötland (born Olof Daniel Westling on 15 September 1973), is the husband of Crown Princess Victoria. Prior to his marriage to the heir apparent, Daniel was a personal trainer and gym owner and ran a company called "Balance Training" with three gyms in central Stockholm.