Was there sibling resentment towards the famous Du Maurier sister?

Years after her death, Daphne Du Maurier is still arguably one of the most-loved writers of the twentieth century. Daphne had it all – her novels sold in their millions, she was beautiful, famous and rich. But in her shadow stood two talented sisters, Angela and Jeanne a writer and a skilled artist in their own right. Author Jane Dunn has uncovered the lives of the rebellious Du Maurier sisters in her new book; Daphne Du Maurier and her sisters: The Hidden lives of Piffy, Bird and Bing.