. "David" . "David Steuart Erskine" . . "Earl of Buchan" . "11th Earl of Buchan" . . . . "1742" . . "1829" . "The Earl of Buchan" . . "David Erskine" . "David Stewart Erskine, 11th Earl of Buchan" . . . . . "David Erskine
11th Earl of Buchan" . . . . . . . . . . . . . . . "David Erskine, 9th Earl of Buchan" . . . "David Erskine, 11th Earl of Buchan" . . . . . . . . . . . . . . . . "David Erskine, 11th Earl of Buchan" . . . . . . . . . . . .