Hugh Cholmondeley, 2nd Baron Delamere this time to Augusta Emily Seymour, daughter of Sir George Hamilton Seymour. The children of that marriage were: Baroness Delamere died in 1911. She had survived her husband for 24 years. Cholmondeley was elected to Parliament for Denbighshire as a Tory in 1840, a seat he held until 1841, and then represented Montgomery from 1841 to 1847. In 1855, Cholmondeley was called to the House of Lords when he succeeded his father as second Baron Delamere. In this period, Baron Delamere and his family were inextricable from the history of Cheshire and married into the Hibbert Family of Birtles Hall,Cheshire
Thomas Cholmondeley, 4th Baron Delamere only) Baron Mount Temple (of the second creation), and Amalia Mary Maud Cassel. This second marriage ended in divorce in 1955. On 26 March 1955, Lord Delamere married, thirdly, Diana Caldwell (1913-1987), daughter of Seymore Caldwell, better known as Diana Delves-Broughton. Baron Delamere died at age 79 in August 1979; and he was succeeded in the lands, estates and title by his son from his first marriage, Hugh Cholmondeley, 5th Baron Delamere. Thomas Cholmondeley, 4th Baron Delamere Thomas Pitt Hamilton Cholmondeley, 4th Baron Delamere (; 19 August 1900– 13 April 1979), styled The Honourable Thomas Cholmondeley from birth until 1931,