Kaibabs

The Kaibabs were a tribe conquered by Caesar.

Background
At war with the Blackfoot tribe, Edward Sallow took control of the Kaibabs after showing one of the tribes envoys the aftermath of the Ridgers slaughter.

Appearances
The Kaibabs are mentioned in Fallout: New Vegas.

Behind the scenes
The Kaibab National Forest is a real-life forest in Arizona near the Grand Canyon.