One of the biggest Hollywood heartthrobs of the 1980s was Cary Elwes, who snatched our hearts as Westley in The Princess Bride. Scroll down to meet Cary's famous family, and discover how his parents created a huge scandal at the time of their marriage…Who are Cary Elwes' parents? Cary is the youngest son of artist Dominick Elwes and interior designer Tessa Kennedy. In England, my father, Dominick Elwes, a portrait painter, fell in love with my mother, Tessa Kennedy, a shipping heiress. However, the star's eldest brother, Cassian Elwes, is still involved with Hollywood, working as a film producer.