Painting by George Horlor (1851).
The dog at his feet is a bloodhound, a dog that any Highland ghillie would need to track wounded deer.
The identities of the other two are less clear.
I think they are setters. Solid white and gold-colored setters were not unknown in the nineteenth century.
But then again, cream-colored and gold-colored retrievers were not unknown in the nineteenth century either.
Gordon setters were very similar to wavy-coated retrievers in conformation, and they were also known to come in the reddish gold color.
