There were 9 kings called Henry.
Henry I - Henry VIII and also Henry 'The Young King' co-regent with Henry II. Henry 'The Young King' was crowned King of England but predeceased his father Henry II so does not have a number after his name.
There has been to date 8 Kings named named Henry
There have only been two kings with the regnal names of Charles in Britain.
There have been six Kings of England named George. There have also been King Georges from other countries. So, which one?
There have been eight British kings named Edward.
Depends on which King Henry you're studying, or interested in. There have been eight kings named Henry in England, and several kings named Henry in various European countries at various times.
So far, four. But the current heir to the heir to the throne is named William, so in fifty years or so...
There have been one or two Charles Smith in England. None of them particularly well known though. There have been 2 cricket players named Charles Smith in the late eighties/early nineties. There has also been a Charles Sydney Smith, who was a goalkeeper for the England waterpolo team and won a few gold medals at olympic games.
7
England does not yet have a King; Prince Charles is next-in-line to the throne. The family name of the Royal Family is in fact Windsor. Thhere has not been a King (or Queen) of England for over 300 years. The title of the monarch is "Queen of the United Kingdom of Great Britain and Northern Ireland." England is part of, but not the same as, The United Kingdom.
become simultaneously kings of England and France
During Queen Elizabeth 1 ruled England all by herself. It was during this period that Kings did not exist in England.
2 Another answer Since King Offa in 774 and King William III in 1702 there have been about 53 Kings of England. After 1707 and the Union with Scotland, Kings and Queens ruled Great Britain. The link below had more information about the list of English Monarchs