By Lucy Waterlow PUBLISHED: 08:44 EST, 21 March 2013 | UPDATED: 08:50 EST, 21 March 2013 Diana Dors' youngest son has revealed how he took drugs at the age five and glimpsed orgies by the age of 11 thanks to the party lifestyle of his world famous mother. Jason Dors-Lake, now 43, has written a tell-all book with Niema Ash where he reveals what it's like to grow up the child of a Hollywood legend. After two failed marriages, Diana had Jason with the love of her life, actor Alan Lake, who she met in her late thirties. Proud mother: Jason as a baby with Diana Dors
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Jason Dors-Lake, now 43, has contributed to a book where he reveals what it's like to grow up the child of a Hollywood legend
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His showbiz parents were renowned for their wild parties
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He recalls orgies being filmed in the guest bedroom and was offered drugs at the age of five
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In the book he also shares rare family photos of Diana
'At the tender age of five, @placeholder’s nursery education was supplemented by an introduction to the joys of recreational drugs,' Niema writes.