He can choose any of his given names.
Thus he could be Charles III, Philip I, Arthur I, or George VII.
It is conventional wisdom that he will choose George VII, in honor of his grandfather.
Nothing, he'll change his name to George
a king Charles spaniel with another king Charles spaniel
The possessive form of "King Charles Laws" is "King Charles's Laws."
King Charles II
The Cavalier King Charles Spaniel received its name from King Charles II.
...King Charles the 2nd...
Charles I was the English king who granted land to Maryland. Charles was later executed in 1649 after a struggle with Parliament.
The king was King Charles
a King Charles spaniel is called 'un épagneul King Charles' or 'un King Charles' in French.
King Charles enjoyed hunting
king Charles II (2nd)was king in 1666
a King Charles Spaniel is smaller than a Cavalier King Charles Spaniel
King Charles I succeeded King James I of England (who was also King James VI of Scotland).