Despite this two-year marriage, and the reported relationships he'd had earlier with Tatum O'Neal, Stephanie Mills and Brooke Shields, Jackson remained sexually ambiguous and, in many people's eyes, sexless altogether.
Mr Marnham lists some of her lovers Peter Hope, Norman Pearson, John Montagu-Pollock, John Platts-Mills, Heinz Ziegler, Raymond Lee, Robert d'Alsace but there were plenty more, ending with Robert Bolt, an English playwright and dramatist, when she was in her late 60s and a widow.