Gerald's mother Blanche Louise Bear was Charles Chaplin's first cousin.
Her mother was Blanche Chaplin, Charlie Chaplin's aunt.
Three children with first wife Jean: Anthea, Anthony and Angelica
After 1969, Campion's major career was as a restaurateur, running a succession of eateries and bars. Most notable among these was Soho private drinking club Gerry's in Shaftsbury Avenue,, London.
He was also a regular correspondent in the letters columns of London
dailies and BBC radio's "Any Answers?".
A devotee of French cuisine, he owned and managed several successful restaurants in North London, Hastingleigh (Kent) and Tunbridge Wells.
Son of the scriptwriter Cyril Campion (1893 - 1941).
Attended University College School, Hampstead. Subsequently trained for acting at RADA. During World War II, served as a wireless operator with the RAF (1941 - 1946) in Kenya.