When did the father of Frederick IV of Denmark die?
Frederick IV of Denmark Frederick IV (11 October 1671 – 12 October 1730) was the king of Denmark and Norway from 1699 until his death. Frederick was the son of King Christian V of Denmark-Norway and his consort Charlotte Amalie of Hesse-Kassel.
Frederick V of Denmark Frederick V (Danish and Norwegian: "Frederik"; 31 March 172314 January 1766) was king of Denmark-Norway and Duke of Schleswig-Holstein from 1746 until his death. He was the son of Christian VI of Denmark and Sophia Magdalene of Brandenburg-Kulmbach.