the richest landowning families in the United Kingdom. The title remained in the Leveson-Gower family until the death of the 5th Duke of Sutherland in 1963, when it passed to the 5th Earl of Ellesmere from the Egerton family.

The subsidiary titles of the Duke of Sutherland are Marquess of Stafford (created 1786), Earl Gower (1746), Earl