The Royal Medal of Recompense was established by a king that was Duke of Schleswig during what years?
Christian IX of Denmark Christian IX (8 April 181829 January 1906) was King of Denmark from 1863 to 1906. From 1863 to 1864, he was concurrently Duke of Schleswig, Holstein and Lauenburg.
Sophie Elisabeth Pentz Sophie Elisabeth of Schleswig-Holstein (20 September 1619 – April 29, 1657) was a daughter and the eldest child of king Christian IV of Denmark and Kirsten Munk. She shared the title "Countess of Schleswig-Holstein" with her mother and siblings.