. "Frederick IX (Christian Frederik Franz Michael Carl Valdemar Georg) (11 March 1899 \u2013 14 January 1972) was King of Denmark from 1947 to 1972.He was the son of King Christian X of Denmark and Queen Alexandrine, born Duchess of Mecklenburg, and a member of the House of Gl\u00FCcksburg."@en . . . "1947Z"^^ . . "Frederick 09 Of Denmark"@en . "1899Z"^^ . . "Frederik IX"@en . . . "1947Z"^^ . "King of Denmark" . . "1899-03-11Z"^^ . . . . "1972-01-14Z"^^ . "1972Z"^^ .