Susan Hornby (1929-2005) (1929–2005) Parents Michael Hornby Nicolette Ward Children Larissa Heber-Percy John Spencer-Churchill, Earl of Sunderland Lady Henrietta Spencer-Churchill James Spencer-Churchill, 12th Duke of Marlborough Siblings Charles Nicholas Hornby Simon Hornby Partners Alan Cyril Heber-Percy John Spencer-Churchill, 11th Duke of Marlborough John Osborne Gough