Christian V was the King of Denmark-Norway from 1670; son of Frederik III and Sophie Amalie of Brunswick-Lüneburg. He was married to Charlotte Amalie of Hesse-Kassel in 1667. He was the father of Frederik IV.
Frederik IV was the King of Denmark-Norway from 1699; son of Christian V and Charlotte Amalie of Hesse-Kassel. Married for the first time in 1695 to Louise of Mecklenburg-Güstrow, with whom he had Christian (VI).
King of Denmark from 1947 and father of the current Danish monarch, HM Queen Margrethe II. Frederik IX was probably the most well-liked king of Denmark to this day and was among other things a skilled naval officer and classical conductor.