Gilbert Allan Rowland Boyd, 6th Baron Kilmarnock (1903-1975), Lieutenant-Colonel (1903–1975) Parents Mary Lucy Victoria Mackenzie Victor Hay, 21st Earl of Erroll Children Robin Jordan Boyd, 8th Baron Kilmarnock Jonathan Aubrey Lewis Boyd Juliet Boyd Timothy Iain Boyd Caroline Juliet Boyd Iris Boyd Alastair Boyd, 7th Baron Kilmarnock Laura Alice Boyd Siblings Josslyn Hay, 22nd Earl of Erroll Lady Rosemary Hay Partners Denise Aubrey Doreen Coker Rosemary Sibell Guest