Gustav of Denmark1887 - 1944 Born Fri, 4 March 1887 Charlottenlund Palace, Charlottenlund Died Thu, 5 October 1944 Buried Roskilde Cathedral, Roskilde Details Parents Prince Christian Frederik Vilhelm Valdemar Gustav Lived 57 years, 7 months, 1 day father Frederick VIII 1843 - 1912 mother Louise of Sweden 1851 - 1926 Siblings Brother Christian X 1870 - 1947 Brother Haakon VII 1872 - 1957 Sister Louise of Denmark 1875 - 1906 Brother Harald of Denmark 1876 - 1949 Sister Ingeborg of Denmark 1878 - 1958 Sister Thyra of Denmark 1880 - 1945 Sister Dagmar of Denmark 1890 - 1961