Letters patent issued on Tue 6th Oct 1739
To Brabazon Ponsonby
A peerage of the Kingdom of Ireland , during the reign of George II
Previously known as Viscount Duncannon in the Peerage of the Kingdom of Ireland.
Ordinality on date:
Previous of title: false
- Earl of Bessborough
Peerage, p. 12; preamble printed in Lodge, ii, 278