 The antics of the Happy Valley set were highlighted in books and films such as "White Mischief", which dramatised the trial of Jock Delves Broughton for the murder of Josslyn Hay, 22nd Earl of Erroll; and "The Happy Valley", Juanita Carberry's account of her adolescence and later involvement with the Delves Broughton case.A biography of Idina Sackville, "The Bolter", by Frances Osborne, includes stories of the origins of the Happy Valley set and features many of its key characters.Sackville was married to Lord Erroll for several years, and they had a child together.