In the short story The Mystery of the Blue Jar, Uncle George is the uncle of Jack Hartington and the owner of the titular blue jar. George has just arrived in England after a trip to the continent.
Portrayals[]
In the 1982 adaptation Uncle George is called Major George Hartington and is portrayed by actor Derek Francis. His part is made larger, and he can be seen playing golf with his nephew in the beginning of the episode. He is off to Italy, where his wife “Mags” is on holiday.