Mind, they were an incredibly weak tribe that was being genocided by their neighbors up until evil whitey intervened, and the entire state of Nebraska only ever had around a dozen slaves at any given point.
They were not an isolated tribe, but they were relatively pacifistic (hence the violence towards them) and very not racist (hence allying with and marrying white people as soon as they showed up) which was incredibly unusual for any of the American Indian tribes.
AFAIK, the Omaha did not.
Mind, they were an incredibly weak tribe that was being genocided by their neighbors up until evil whitey intervened, and the entire state of Nebraska only ever had around a dozen slaves at any given point.
They were not an isolated tribe, but they were relatively pacifistic (hence the violence towards them) and very not racist (hence allying with and marrying white people as soon as they showed up) which was incredibly unusual for any of the American Indian tribes.