Here is the proof that she didn't lie.
Two weeks ago, Sen. Elizabeth Warren
released the
results of a genetic test showing she has a small but detectable amount of Native American DNA. The report concluded there is “strong evidence” she had a Native American ancestor approximately six to 10 generations ago.
https://www.factcheck.org/2018/10/the-facts-on-elizabeth-warrens-dna-test/
You admitted as much when you argued that most Americans have more than she does...that would indicate you admit she has some.