Who's Your Daddy 1966
by Phil Mitchell
Bigger than the Great train Robbery: HRH the Duke of Edinburgh has three illegitimate children. Philip, Charles, and Anne. They steal £18.5 million pounds. Fiercely protected by the Queen Mother, they become Majorcan, Spanish property tycoons.
Two South London gangster become involved, but with the two gangsters wives against them, mayhem, and murder are soon on the menu.