Palouse(also "Pelus", "Pelouse", "Palus"). They are a branch of the Wallawalla who lived in the northwestern Rocky Mountains. They achieved a high reputation for breeding their precious Palouse horses.
The Wallawalla
are a tribe of Shahaptin-Branch of Penuti language family. They lived in the northwestern Rocky Mountains. Their way of life was similar to that of their tribal relatives, the Des Chutes, Klikitat, Palouse and Yakima.