
Viscount Bolingbroke is a current title in the Peerage of Great Britain created in 1712 for Henry St John. He was simultaneously made Baron St John, of Lydiard Tregoze in the County of Wilts. Since 1751, the titles are merged with the titles of Viscount St John and Baron St John in the same peerage.

The titles of Earl of Hertford and Marquess of Hertford have been created several times in the peerages of England and Great Britain.

Baron Foley is a title that has been created twice in the Peerage of Great Britain, both times for members of the same family.

George Granville, 1st Baron Lansdowne PC, of Stowe, Cornwall, was an English Tory politician who sat in the English and British House of Commons from 1702 until 1712, when he was raised to the peerage as Baron Lansdown and sat in the House of Lords. He was Secretary at War during the Harley administration from 1710 to 1712. He was also a noted poet and made a name for himself with verses composed on the visit of Mary of Modena, then Duchess of York, while he was at Cambridge in 1677. He was also playwright, following in the style of John Dryden.

Baron Mansel, of Margam in the County of Glamorgan, was a title in the Peerage of Great Britain. It was created on 1 January 1712 for Sir Thomas Mansel, 5th Baronet, previously Member of Parliament for Cardiff and Glamorganshire. His ancestor had been created a Baronet, of Margam in the County of Glamorgan, in the Baronetage of England on 22 May 1611. The fourth Baronet represented Glamorgan in the House of Commons. The fourth Baron sat as Member of Parliament for Cardiff. On his death 29 November 1750 the barony and baronetcy became extinct.

Baron Masham is a title that has been created three times, once in the Peerage of Great Britain and twice in the Peerage of the United Kingdom. It was first created in the Peerage of Great Britain in 1712 when the courtier Samuel Masham was made Baron Masham, of Otes. In 1723 he also succeeded as fourth Baronet of High Lever. The barony became extinct on the death of the second Baron in 1776. The Masham baronetcy, of High Lever in the County of Essex, was created by James I in the Baronetage of England on 20 December 1621 for Samuel Masham. The third Baronet was Member of Parliament for Essex. The baronetcy became extinct along with the barony in 1776.

Viscount Bolingbroke is a current title in the Peerage of Great Britain created in 1712 for Henry St John. He was simultaneously made Baron St John, of Lydiard Tregoze in the County of Wilts. Since 1751, the titles are merged with the titles of Viscount St John and Baron St John in the same peerage.

Baron Trevor is a title that has been created three times. It was created first in 1662 in the Peerage of Ireland along with the viscountcy of Dungannon. For information on this creation, which became extinct in 1706, see Viscount Dungannon.