Charles Dewar (1858-1933) (1858–1933) Parents Jane Gow John Dewar Sr. Children Mona Isobel Dewar Margaret Morrison Dewar John Arthur Dewar Jean Gow Dewar Siblings James Gow Dewar Arthur Dewar, Lord Dewar John Dewar, 1st Baron Forteviot Thomas Dewar, 1st Baron Dewar Jane Dewar Partners Jane Greig Smart