<Tr> <Td> King Christian IV </Td> <Td> Denmark </Td> <Td> KG </Td> <Td> 1603 </Td> <Td> Royalty </Td> <Td> </Td> </Tr> <Tr> <Td> King Christian V </Td> <Td> Denmark </Td> <Td> KG </Td> <Td> 1662 </Td> <Td> Royalty </Td> <Td> </Td> </Tr> <Tr> <Td> King Frederick VI </Td> <Td> Denmark </Td> <Td> KG </Td> <Td> 1822 </Td> <Td> Royalty </Td> <Td> </Td> </Tr> <Tr> <Td> King Christian IX </Td> <Td> Denmark </Td> <Td> KG </Td> <Td> 1865 </Td> <Td> Royalty </Td> <Td> </Td> </Tr>

Who is the youngest person to be knighted