The Crown Princess of Denmark is Mary, Crown Princess of Denmark, born on February 5, 1972, in Tasmania, Australia. She became a member of the Danish royal family upon her marriage to Frederik, Crown Prince of Denmark on May 14, 2004. As Crown Princess, she undertakes various royal duties and represents Denmark at official events. Crown Princess Mary is known for her involvement in charitable work, focusing on issues such as health, education, and social welfare. She is also a mother to four children: Prince Christian, Princess Isabella, and twins Prince Vincent and Princess Josephine.