Terriers Began With A Pair Of Yorkshire Terriers Who Had A Few Pups Which Were Born With The Recessive Piebald Gene And Those Pups Were Originally Called German Yorkshire Terriers, But Later Became Known As The Yorkshire Terrier Because They Were Bred By Werner And Gertrud . Our Piebald Pups Which Are Expressing That Same Recessive Yorkshire Genetic Marker Are Considered Because That Is How The Breed Was Invented Way Back In The Mid 1980s.