Small grey and black dog standing on the grass and white flowers. Yorkie Russell is a cross breed of Yorkshire Terrier with a Jack Russell. Description: Black with brown. Jack Russell terrier mix. —. Small grey and black dog standing on the grass and white [HOST] Russell is a cross breed of Yorkshire Terrier with a Jack Russell —. Medication & Behavior: Very friendly black spots couple big black spots He is believed Yorkie. White and black dogs on the grass with dark background. Small grey and black dog standing on the grass and white [HOST] Russell is a cross breed of Yorkshire Terrier with a Jack Russell. Calloway Mills Scottish Terrier Doormat (brown/black, 1. Norfolk Jack Russell cross or Norjack and a Yorkshire terrier Jack Russel cross or Yorkie Russell. . Aislinge Bray Terrier's Aine is a small female Black and Tan Jack Russell Terrier who was imported from Ireland. View. If you're a fan of the Jack Russell Terrier, you're sure to love this list of Jack Russell mix-breed dogs.