Letters patent issued on Tue 20th May 1760
To John Petty
A peerage of the Kingdom of Great Britain , during the reign of George II
Previously known as Earl of Shelburne in the Peerage of the Kingdom of Ireland.
Ordinality on date:
Previous of title: true
- Lord Wycombe
C 231/11, p. 262; 33 Geo. II, pt. 4 (C 66/3668) no. 13