The arms are those of Drax quarterly with those of Erle and others with those of Erle-Drax on an escutcheon of pretense, as born by John Samuel Wanley Sawbridge who assumed the surname and arms of Erle-Drax on his marriage to Jane Frances Erle-Drax of Shrarborough Park, Dorset, in 1827. She was the sister of Richard Edward Erle-Drax and after his death succeeded to the estates of their father, Richard Erle-Drax Grosvenor, nephew of Richard, Earl Grosvenor, who had married Sarah Frances Drax in 1788.

John Sawbridge-Erle-Drax was M.P. for Wareham 1841-1857, 1859-1865 and 1868-1880 and died in 1887.