Margaret St. John (1919-1973) (1919–1973) Parents Frederick de Port St. John Hannah Phoebe Mabel Pyrke Children Mary Annabel Minchin Antony St. John Minchin Siblings Edward St John Roland St John Oliver Beauchamp St. John Pamela Mary St. John Marion St. John Florence Anne St. John Margery Patricia St. John Partners Edward John Minchin