People Prince Erik, Count of Rosenborg Danish Royal8 November 1890 – 16 September 1950 Prince Valdemar of Denmark27 October 1858 – 14 January 1939Princess Marie, Princess Valdemar of Denmark13 January 1865 – 4 December 1909 Prince Erik, Count of Rosenborg8 November 1890 – 16 September 1950 ParentsPrince Valdemar of Denmark27 October 1858 – 14 January 1939Princess Marie, Princess Valdemar of Denmark13 January 1865 – 4 December 1909SiblingsPrince Aage, Count of Rosenborg10 June 1887 – 29 February 1940Prince Axel of Denmark12 August 1888 – 14 July 1964Prince Viggo, Count of Rosenborg25 December 1893 – 4 January 1970Princess Margrethe of Denmark17 September 1895 – 18 September 1992 From Wikipedia and Wikidata (public domain), updated daily.