Monarchy Monarchs do not have a "last name" as we understand it nowadays. King George I of England belonged to the Royal House of Hanover.
Surname: Guelph
The Lives of the Kings and Queens of England,
Page 262, Paragraph 3, ISBN: 0297 769111
Also This time line seems to suggest the same: http://www.Google.com/search?q=king+george+guelph&hl=en&client=firefox-a&rls=org.mozilla:en-US:official&hs=UZe&tbs=tl:1&tbo=1&ei=6AdVSuXcIZ7cswOJruCNCQ&sa=X&oi=timeline_result&ct=title&resnum=11
George was his first name!
His full name was George Augustus Frederick. His great-grandfather, grandfather, and father also shared the same first name.
ALBERT FREDERICK ARTHUR GEORGE
Neville Chamberlain was Prime Minister and King George VI was monarch.
The cast of The Coronation of King George VI - 1937 includes: King George VI as himself
King George VI ruled the United Kingdom.
George VI
King George VI was known as Bertie before he became King
The parents of Queen Elizabeth II of The United Kingdom of Great Britain and Northern Ireland were King George VI and his wife, Elizabeth Bowes-Lyon. King George VI was born "Albert Frederick Arthur George" to the House of Windsor - so he didn't really have a surname.
King George VI.
King George VI who died in 1952. The present monarch, Queen Elizabeth II, is his daughter.
The Maiden name of the wife of King George VI was Elizabeth Bowes-Lyon.
King George VI of the United Kingdom was born on December 14, 1895.
Royal Family Order of King George VI happened in 1936.
King George VI was crowed king on December 11 1936. He was preceded by Edward VIII and succeeded by Elizabeth II.