Complex sentence: Marie Louise Élisabeth d'Orléans, Duchess of Berry (20 August 1695--(21 July 1719)) was a member of the House of Orléans and a "princesse du sang".
Split into simpler sentences: Marie Louise Élisabeth of Orléans, Duchess of Berry (August 20 1695--July 21 1719) was a French princess. She was a member of the House of Orléans and was a "princesse du sang".