David Arbuthnott, 11th Viscount of Arbuthnott. Born 29 January 1845. Son of John Arbuthnott, 9th Viscount of Arbuthnott. Succeeded his brother John Arbuthnott, 10th Viscount of Arbuthnott 1895. An imbecile from birth. Died unmarried Montrose 24 May 1914; buried at Arbuthnott 28 May 1914. Succeeded by his brother William Arbuthnott, 12th Viscount of Arbuthnott.