Regardless of names it's very difficult to establish how pure a line is .The more time goes on ,the more difficult it is to keep a line that goes back to these names , you can bet something else has been thrown in to refresh the blood which is never a bad thing bug it just adds another spanner should things go tits up .Being honest about this addition not only puts new owners in the picture but allws them to outcross to the same should things gel.My own effort is all the place now i have added NS but those who got pups are perfectly aware of what gone in to them .Trying to pass off a line as p