Ronald Colville, 2nd Baron Clydesmuir Scottish soldier and businessman (1917–1996) Parents John Colville, 1st Baron Clydesmuir Agnes Anne Bilsland Children Diana Mary Colville Elizabeth Anne Colville Andrew John Colville David Colville, 3rd Baron Clydesmuir Siblings Rosemary Anne Heather Colville Mary Helen Colville Partners Joan Marguerita Booth