 A codicil of 13 September 1950 cut Adams out of her will completely.Despite the last codicil, Mrs Morrell's son gave Adams the elderly Rolls-Royce and the chest of silver cutlery.Devlin's summing up involved one legal direction which established the double effect principle, that where restoring a patient to health is no longer possible, a doctor may lawfully give treatment with the aim of relieving pain and suffering which, as an unintentional result, shortens life.