Henry Dewar, 3rd Baron Forteviot British businessman (1906-1993) (1906–1993) Parents Margaret Elizabeth Holland John Dewar, 1st Baron Forteviot Children Simon Thomas Dewar Penelope Cynthia Dewar Caroline Worsley, Lady Worsley John Dewar, 4th Baron Forteviot Siblings Irene Margaretta Dewar John Dewar, 2nd Baron Forteviot Jane Gow Dewar Margaret Dorothy Dewar Agnes Roger Dewar Elsie Joan Tod Dewar Janet Bertha Dewar Partners Cynthia Monica Starkie