Jean Mill crossed two existing cat breeds, the Burmese and the Siamese, to create the Tonkinese. Jean Mill's breeding program with the two cats created a cat breed that had the silky coat of the Siamese and the chocolatebrown colour of the Burmese. Tonkinese cats are known for their distinctive colors, including mink, blue, platinum, and champagne. They are also known for their intelligence, active personality, and sweet temperament. Keywords: Tonkinese Cat Breed, Burmese, Siamese, Jean Mill, Mink, Blue, Platinum, Champagne, Intelligence, Active, Sweet Temperament.