Complex sentence: Spotted Elk (Heȟáka Glešká or Hoh-pong-ge-le-skah) was born the son of Lakota Sioux Chief One Horn between 1826 into the Mniconjou ("Planters by the River") subgroup of the Teton Lakota (Sioux).
Split into simpler sentences: Spotted Elk ("Heȟáka Glešká " or"Hoh-pong-ge-le-skah ") was born the son of Lakota Sioux chief One Horn about 1826. His family belonged to the Miniconjou ("Planters by the River") subgroup of the Teton Lakota (Sioux).