 The last two describe tribal lands such as those in Oklahoma that were transferred to individual Indians under various laws.The Indian tribal courts also have exclusive jurisdiction over Indian children who are wards of the court or tribe, regardless of their location.The first Supreme Court case dealing with ICWA was the 1989 case "Mississippi Band of Choctaw Indians v. Holyfield" (490 U.S. 30, 109 S.Ct.