Sir Thomas Jermyn of Rushbrooke
Barons Jermyn of St Edmundsbury in the Peerage of England (1643––1708)
Earl of St Albans in the Peerage of England (1660–1684)
Baron Dover in the Peerage of England (1685, from 1703–1708)
Earl of Dover in the Jacobite Peerage (1689, from 1703–1708)
Earl of St Albans KG
- Henry Jermyn, 1st Baron Jermyn later 1st Earl of St Albans KG (1604-1684) Created Baron Jermyn with a special remainder, failing heirs male of his body, to his elder brother, Thomas Jermyn, in like manner. On his death the Earldom of St Albans became extinct and the Barony of Jermyn passed under the special remainder to his nephew, Thomas Jermyn.
2nd Baron Jermyn
- Thomas Jermyn, 2nd Baron Jermyn (1633-1703)
- Henry Jermyn, 3rd Baron Jermyn and 1st Baron Dover (c. 1636–1708)
Baron Dover in the Peerage of England (1685–1708)
Earl of Dover in the Jacobite Peerage (1689–1708)
Baron Dover
- Henry Jermyn, 1st Baron Dover later 3rd Baron Jermyn, 1st Earl of Dover, Viscount Cheveley, Baron Jermyn of Royston and Baron Ipswich (c. 1636–1708) See above