4th Earl of Kintore from 22 November 1758 till 22 November 1761. Succeeded by his great-nephew Antony Keith-Falconer, 7th Lord Falconer of Halkerton.
William Keith succeeded his brother John as 4th Earl of Kintore. He never married and on his death in 1761 no-one could prove a claim to his title, which resulted in the earldom lying dormant for seventeen years.
On the death of the 4th Earl the Earldom should have passed under the terms of the 1694 regrant to his cousin George Keith, 10th and last Earl Marischal, as heir male of George Keith, 8th Earl Marischal, the elder brother of John Keith, 1st Earl of Kintore. However, in 1715, for having supported the cause of the Stuart kings, the English revoked his titles and estates. Exiled to Europe, the Earldom of Kintore remained suspended until the death of George Keith, 10th Earl Marischal, on 28 May 1778. The chiefship of Clan Keith then passed to the heir general of the 4th Earl of Kintore (via his sister Katharine Margaret Keith to her grandson): Antony Adrian Keith-Falconer, 5th Earl of Kintore, 7th Lord Falconer of Halkerton.
Les données affichées n'ont aucune source.