Joseph 6 Legacy 7 References 8 Further reading 9 External links [ edit ] Background Chief Joseph was born Hinmuuttu-yalatlat (alternatively Hinmaton-Yalaktit or Hin-mah-too-yah-lat-kekt , Nez Perce : "Thunder Rolling Down the Mountain") in the Wallowa Valley of northeastern Oregon , he was known as Young Joseph during his youth because his