an Entity references as follows:
Christian VIII (18 September 1786 – 20 January 1848) was King of Denmark from 1839 to 1848 and, as Christian Frederick, King of Norway in 1814. Christian Frederick was the eldest son of Hereditary Prince Frederick, a younger son of King Frederick V of Denmark and Norway. As his cousin, King Frederick VI had no sons, Christian Frederick was heir presumptive to the throne from 1808.