John Osborne, 11th Duke of Leeds British noble (1901-1963) (1901–1963) Parents Lady Katherine Lambton George Osborne, 10th Duke of Leeds Children Camilla Osborne Siblings Lady Gwendolen Osborne Lady Olga Osborne Dorothy Osborne Lady Moira Osborne Partners Audrey Young Irma de Malkhozouny Caroline Osborne, Duchess of Leeds