Margaret Isabella Dorothy Evelyn Doyle (died 1997) (d. 1997) Parents Joyce Ethelreda Howard Sir Arthur Havelock James Doyle, 4th Baronet Children Diana Chrystal Heathcoat-Amory Catherine Elizabeth Heathcoat-Amory Charles William Heathcoat-Amory Sir Ian Heathcoat-Amory, 6th Bt. Siblings Diana Spearman Sir John Francis Hastings Doyle, 5th Bt. Partners Sir William Heathcoat-Amory, 5th Bt.