Ancestry status is just Royalty revised. Ethnicity is a nebulous term.
When people say they are this or that I say BS, because only very broad generalizations can be made. Are you darker or lighter? That is it.
Quit trying to compete with the real Nazis who tried and failed to define ethnicity. Go measure the size of your nose if you wish. Lol.
Real Indians ended with the first introduction of horses, steel or the written word. Modern people are NOT Indians.
Reservations should be disbanded. Move into the modern world. Every group wants privileged status. They want Royalty so YOU can be their slave.