King Christian 9 panicked in 1864 as Preussia conquered and invaded Denmark. Fearing that Copenhagen would fall he offered to ceede soverinigty so he could stay on as a puppet ruler.

King Christoffer was an adopted orphan when he was awarded the Danish Kingdom. It didn't go well. He was kicked out and ended as pirate roaming the Baltic Ocean.

King Christian 7 was scizofrenic and unskilled as a ruler. So he let his german librarian take power so he could roam with the prostitute Catrine, the daughter of a shoemaker.

King Christian 4 was a unstoppable drunk womanizer who fathered 24 children with two wives and many mistresses. His favorite woman was kept in Rosenborg. He hated her if she "locked her door" to him.

King Frederik 9 couldn't stop his 15-year old daughter Anne-Marie from accepting marriage with the much older greek prince Konstantin.

King Frederiks 10 made international headlines when he was as an prince was exposed with his intimate spanish "confidente", Genovena Casanova.