In which period the father of Queen Anne-Marie reign Denmark?
Princess Benedikte of Denmark: Princess Benedikte of Denmark, Princess of Sayn-Wittgenstein-Berleburg {'1': ", '2': ", '3': 'RE, SKmd, D.Ht. Frederick IX of Denmark: Frederick IX (Christian Frederik Franz Michael Carl Valdemar Georg; 11 March 1899 – 14 January 1972) was King of Denmark from 1947 to 1972.
i don't know