Complex sentence: Their language of Tla Wilano is thought to be one of the oldest dialects of the grandfather language although recent blood ties to the Cherokee to the south have added to historical confusion in writer's references regarding identification of the tribe.
Split into simpler sentences: Their language of "Tla Wilano" is thought to be one of the oldest dialects of the grandfather language. Recent blood ties to the Cherokee to the south have added to historical confusion in writers' references regarding identification of the tribe.