Crests: Centre: an Eagle Or, and a Wyvern Vert, their necks entwined reguardant (Langton).

Dexter: on a mount Vert, an Heraldic Tiger salient Argent, collared Gules (Gore).

Sinister: a Horse Argent, semée of Eagles displayed Sable, suspended from a Ribbon round the neck a Shield of the Arms of Gore.

The late Duke was succeeded in the Earldom of Temple of Stowe according to the special remainder by his nephew William Gore-Langton.

He was the eldest son of the aforementioned Lady Anna Grenville and her husband William Gore-Langton.

The latter was a descendant of Sir John Gore, Lord Mayor of London in 1624, whose elder brother Sir Paul Gore, 1st Baronet, was the ancestor of the Earls of Arran (1762 creation), the Barons Annaly (1766 and 1789 creations) and the Barons Harlech.