


I'm Cheryl J., the breeder behind Tintern located in Illinois. Our dogs excel both in and out of the show ring. They are excellent representations of the breed and have wonderful temperaments. Our program was built with care and intention in every step. We are passionate about the health and wellbeing of this breed, and we want our program to be an example of how to responsibly breed high-quality, healthy dogs.
Cheryl has been certified by Good Dog's screening team for responsible and trusted breeding practices. When you're ready to reach out, feel free to ask any questions about the breed, their program, or specific puppies.
Together, you’ll choose the puppy that’s right for you, stay in touch with regular updates, and plan how to bring your new puppy home.

Cheryl may provide a written contract or health guarantee when you purchase a puppy. This helps protect both you and your breeder, ensuring that you both have a clear understanding of the terms of your puppy purchase. If Cheryl offers a contract or guarantee, the details will be personalized by them. If you have any questions or want to know more, don't hesitate to reach out to Cheryl directly.
You can drive or fly to pick up your puppy from Cheryl.
Meet in Illinois
4319 miles away
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Club memberships
Cheryl is a member of American Sealyham Terrier Club.
Cheryl has been a member of Good Dog for over 4 years
Cheryl was screened for responsible practices and has been a member since 2021.
Tintern meets or exceeds our community standards in these areas:
Excellent level
Tintern reports to performing the health tests below on their breeding dogs. Ask your breeder about the tests performed on the parents of your litter. Learn more about health testing for Sealyham Terriers.
Eye Certification (CAER, registered with OFA)
Eye testing reduces the chance of passing down a wide range of hereditary eye illnesses including retinal dysplasia, lens luxation, and glaucoma, which can cause impared vision or blindness.
Primary Lens Luxation (PLL)
Genetic testing reduces the chance of passing down a wide variety of hereditary diseases of differing prevalence and severity such as Progressive Retinal Atrophy (an eye disease) and Von Willebrand's Disease (a blood disease).