
Hi Drew, the deliberate breeding of cross breed puppies is not something that is recommended. Puppy farmers do this sort of breeding, and they are not recommended either. So the best advice we can give, is to settle on one or other of the breeds you mention, and contact the breed clubs via the Kennel Club, and contact a reputable breeder that does hip elbow and eye testing and get a healthy puppy.
If you are determined to have a cross breed, as already mentioned, there are hundreds to choose from in rescue kennels all over the country, perhaps one of those might have something with the appearance you want.
Dawn R.