The Marquesses of Ailsa are the hereditary Clan Chiefs of Clan Kennedy. All of them are descended from Anne Watts, mother of Archibald Kennedy, 1st Marquess of Ailsa, and the Schuyler family, the Van Cortlandt family (including Stephanus Van Cortlandt), and the Delanceys of British North America.
The Marquesses of Ailsa are the hereditary Chiefs of Clan Kennedy. All of them descend from Anne Watts, mother of Archibald Kennedy, 1st Marquess of Ailsa, and the Schuyler family, the Van Cortlandt family (including Stephanus Van Cortlandt), and the Delanceys of British North America.