Sir John Clerk of Penicuik, 10th Bt. (1917-2002) (1917–2002) Parents Sir George Clerk of Penicuik, 9th Bt. Mabel Dutton Children Sir Robert Clerk of Penicuik, 11th Baronet Honor Clerk Lavinia Ferguson Piers Clerk Siblings Susan Clerk Aymée Clerk Partners Evelyn Robertson