
If both have been hip and elbow scored, with good results, DNA tested for Degenerative Myleopathy with at least one clear, and the male tested clearfor Haemophilia A, temperaments sound, then absolutely no reason why not.
Assuming of course your in a position to accept the responsibilities for the puppies for life, care for the litter and bitch until such time as suitable homes are found.
Of course both parents should be KC registered with no breeding restrictions.
It would be wise to consult your bitch and dogs breeders for their thoughts on their suitability for breeding