Charles Gore Hay, 20th Earl of Erroll and 3rd Baron Kilmarnock, KT, CB (7 February 1852 -- 8 July 1927), known as Lord Hay until 1891, was a Scottish soldier and Conservative politician. Erroll was the son of William Harry Hay, 19th Earl of Erroll, and _his_ wife Eliza Amelia, daughter of General the Hon. Sir Charles Gore. <sep>, Pronoun: his