The arms are those of Eglinton and Winton, for Archibald William Montgomerie, 13th Earl of Eglinton, K.T., D.C.L., and L.L.D. Born 29 September 1812; he was served heir-male general of 4th Earl of Winton, in Scotland 22 December 1840, and was created Earl of Winton, in the Peerage of the United Kingdom 23 June 1859. He married firstly, 17 February 1841, Theresa Newcomer (died 16 December 1853), widow of Commander Richard Howe Cockerell, R.N. The Earl married secondly 3 November 1858, Lady Adela Capell (died 31 December 1860) only daughter of the 6th Earl of Essex.

Lord Eglinton was Lord Lieutenant and Sheriff Principal of Ayreshire; he was made a P.C. in 1852, and a K.T. in 1853; he was constituted, 27 February 1852, Lord Lieutenant of Ireland, but retired the following December. He was reappointed to the same office in 1858 and again resigned in 1859. The celebrated tournament held in Scotland, at Eglinton Castle, in 1839, was inaugurated and carried out by his lordship. he died 4 October 1861.