de la Roche at English => English (The Britannica Concise) Of Explained:
Canadian author. Born in Newmarket, Ontario, she is best known for a series of novels centered on the Whiteoak family of Jalna, an estate in her native Ontario. These sagas of the family's history, more popular in the U.S. and Europe than in Canada, were the basis of a film, Jalna (1935), and a play, Whiteoaks (1936). She also wrote children's stories, travel books, drama, and an autobiography.