Helmsley, of Helmsley in the North Riding of the County of York (Viscountcy)
A peerage of the United Kingdom.
Letters patent issued on Sat 25th Jul 1868
To William Ernest Duncombe as Promotion.
|Number||Surname||Forenames||Held from||Held to|
|1st||Duncombe||William Ernest||Sat 25th Jul 1868||Wed 13th Jan 1915|
|2nd||Duncombe||Charles William Reginald||Wed 13th Jan 1915||Fri 15th Sep 1916|
|3rd||Duncombe||Charles William Slingsby||Fri 15th Sep 1916||Wed 4th Sep 1963|
Peerage extinct on Wed 4th Sep 1963 with the 3rd holder .