- Duke of Cambridge
- James Stuart
- Lived 3 years, 11 months, 8 days
Duke of Cambridge: Tue, 1 July 1664 - Mon, 20 June 1667
Had Cambridge survived his early years, he would have been the first Protestant in the line of succession to the crown, ahead of his sisters Mary and Anne, when the Glorious Revolution of 1688 deposed his father and insisted on a Protestant succession.