Lady Emma Tennant British visual artist (b. 1943) Parents Deborah Cavendish, Duchess of Devonshire Andrew Cavendish, 11th Duke of Devonshire Children Edward Tennant Isabella Tennant Stella Tennant Siblings Mary Cavendish Sophia Topley Peregrine Cavendish, 12th Duke of Devonshire Mark Cavendish Lord Victor Cavendish Partners Tobias Tennant