The Tejon Indian Tribe at a Glance To understand the Tejon Indian Tribe, we must look at their profound, enduring connection to the San Joaquin Valley and Tehachapi Mountains of California, and their legacy as resilient protectors of their sovereign rights and keepers of their diverse indigenous heritage. Tribe Name: Tejon Indian Tribe. Language: Kitanemuic (Kitanemuk), with ancestral ties to Chumash, Yokuts, and Kawaiisu dialects. Language Tree: Uto-Aztecan, Yokutsan, and