Complex sentence: The Cupeño language belongs to the Cupan group, which includes the Cahuilla and Luiseño languages, of the Takic branch within the Uto-Aztecan family of languages.
Split into simpler sentences: The Cupeño language belongs to the Cupan group, which includes the Cahuilla and Luiseño languages. This grouping is of the Takic branch within the Uto-Aztecan family of languages.