1740 Arthur Devis (Inglese artist, 1712-1787) Sir John Trevelyan (1735-1828), 4th Bt, with Wife Louisa Simond, Lady Trevelyan, Son Sir John Trevelyan (1761-1846), 5th Bt, & amp; Daughter Helena Trevelyan Adele, Riding Habit, Greyhound Art, 18th Century Fashion, 19th Century, Art Uk, England, Family Portraits, Animal Portraits