Contains papers of the following: Murray, 4th Duke of Atholl, 1775; St Clair of Sinclair, 1751; Stewart, 8th and 9th Earls of Moray, 1739-1767; Sutherland, 17th Earl of Sutherland, 1751; Wright of Cliftonhall and Kersy, Alexander Gibson, 1761-1762; Young, Dame Jean, née Hamilton of Preston, 1713. All except the last are papers in connexion with serving of heirs.