Anne Clifford Baroness Clifford succeeded to the title of 14th Baroness Clifford [E. 1299] on 29 October 1605 de jure.
As a result of her marriage Anne Clifford Baroness Clifford was styled as Countess of Pembroke in 1630. From 25 February 1630 her married name became Sackville. From 3 June 1630 her married name became Herbert.
On 11 December 1643 she inherited the huge estates of the Earls of Cumberland.
On her death her barony fell into abeyance between her daughter and her grand-daughter.