WesternSubgroup of 5 languagesAncestorsAustro-Asiatic 167Mon-Khmer 144Eastern Mon-Khmer 64Pearic 6WesternDescendants Chong 2Chong cog, a language of ThailandChung scq, a language of Cambodia Samre 2Samre sxm, a language of CambodiaSomray smu, a language of Cambodia Suoy 1Su’ung syo, a language of Cambodia