Maria João Cattery At Maria João Cattery, we breed Siamese for the love of the breed. Our commitment is to raise healthy, affectionate, and well-socialized kittens while preserving the elegance and charm of the Classic (Old-Style) Siamese. Why Choose Us? Health Assurance: Vet-checked and certified FIV/FeLV negative. DNA tested and parasite-free. Included with Every Adoption: