Butler, of Lanthony in the County of Monmouth (Barony)
A peerage of the United Kingdom.
Letters patent issued on Tue 20th Jan 1801
To Walter Butler as Hereditary peerage (already peer of Ireland).
|Tue 20th Jan 1801
|Thu 10th Aug 1820
Peerage extinct on Thu 10th Aug 1820 with the 1st holder .