The crossword solution for the term 'Omaha Relative' is 'OTOE', which stands for the Omaha Tribe of Nebraska. The Omaha Tribe of Nebraska is a federally recognized Native American tribe that is located in northeastern Nebraska and western Iowa. They are part of the larger Omaha Nation, which is composed of several tribes that are related to each other through language and culture. The Omaha Tribe of Nebraska is one of the largest tribes in the United States, with a population of over 5, 000 people.