Mary Lucy Victoria Mackenzie (1875-1957) (1875–1957) Parents Sir Allan Russell Mackenzie of Glenmuick, 2nd Bt. Lucy Eleanora Davidson Children Lady Rosemary Hay Josslyn Hay, 22nd Earl of Erroll Gilbert Allan Rowland Boyd, 6th Baron Kilmarnock Siblings Eric Dighton Mackenzie Allan Keith Mackenzie Allan James Reginald Mackenzie Sir Victor Mackenzie, 3rd Baronet Partners Victor Hay, 21st Earl of Erroll
