Catherine Campbell Smythe (died 1880) (1805–1880) Parents David Smythe, Lord Methven Euphemia Aemilia Murray Children Robert Boyle George Boyle Siblings David Smythe Robert Smythe, 5th of Methven Castle James Smythe George Smythe William Smythe, 12th of Braco, 6th of Methven Castle Patrick Murray Smythe John Smythe of Lintrose Partners David Boyle, Lord Boyle