Margaret Beaufort Lawson Johnston (1907-1983) (1907–1983) Parents George Lawson Johnston, 1st Baron Luke Edith Laura St. John Children Margaret Pitman David Pitman Peter John Pitman Siblings Ian Lawson Johnston, 2nd Baron Luke Charlotte Enid Lawson Johnston Hugh de Beauchamp Lawson-Johnston Laura Pearl Lawson Johnston Olive Elizabeth Helen Lawson Johnston Partners James Pitman