The Chien-gris aka Grey St. Louis Hound (Gris de S.Louis) was a breed of dog, now extinct, which originated in Medieval times. Like the Chien de Saint-Hubert it was a scenthound, and formed part of the royal packs of France, which were composed, from about 1250 till 1470, exclusively of hounds of this It has been supposed that these ‘dun-hounds’ went into the make up of the Bloodhound,
Wasp,Child, and Billy, depicted in this painting are recognized as some of the last known members of the breed before they became extinct. Average height was approx. 15 inches, they weighed about 45 pounds. A particular characteristic of the breed was the lower jaw that projected considerably in front of the upper jaw, which made possible a strong, vice-like grip. Show fanciers crossed in the Pug creating the modern deep set nose type of bulldog.