Ferdinand, Hereditary Prince of Denmark
Frederick Ferdinand, Hereditary Prince of Denmark was grandson of King Frederick V and heir presumptive to the throne from 1848 until his death. Had he lived five months longer, he would have outlived his nephew, King Frederick VII, and become King of Denmark.
Ferdinand, Hereditary Prince of Denmark
Prince Ferdinand as hereditary Prince and his wife Princess Caroline, c. 1863
Frederick, Hereditary Prince of Denmark
Frederick, Hereditary Prince of Denmark was heir presumptive to the thrones of Denmark and Norway. He was the only surviving son of King Frederick V by his second wife, Juliana Maria of Braunschweig-Wolfenbüttel.
Hereditary Prince Frederick, Regent of the Kingdoms by Vigilius Eriksen.