Olivia Douglas Sinclair May (1899-1964) (1899–1964) Parents Charlotte Dorothea William Stirling Sir Edward Sinclair May Children Sir Archibald Ranulph Dunbar of Northfield, 11th Bt. Alexander Arbuthnott Dunbar Siblings Charlotte Sinclaire May Stella Olivia B. May Evelyn Mary Aylmer May Edward George K. S. May Dorothea Stirling Sinclair May Partners Sir Archibald Edward Dunbar of Northfield, 10th Bt.