Blazon Escutcheon: Azure a chevron between three mullets Or; Crest: A goat’s head erased Argent attired Or; Supporters: Two unicorns Argent each gorged with a chaplet of roses Gules barbed and seeded Proper thereto affixed reflexed over the back a line of roses as around the neck.

He was made Baron Rathdowne, in the County of Dublin, at the same time, also in the Peerage of Ireland and with the same remainder.

Chetwynd notably represented Stafford in the House of Commons on three occasions between 1702 and 1734, and also served as ambassador to Turin.

He was succeeded according to the special remainders by his younger brother, the second Viscount, who sat as a Member of Parliament for St Mawes, Stockbridge and, from 1738 to 1747 for Stafford and served as ambassador to Madrid.

The family estate at Ingestre Hall passed, however, to the second Viscount's daughter, whose son became Baron Talbot.