So perhaps a quadroon at most?
I couldn’t see. Her father, Donald Harris, has a medium skin tone, lighter than Barack Obama. However, that’s not always indicative of the racial mix. A person with one black grandparent can have quite dark skin. I read a little piece in which he mentioned white ancestors, but didn’t give his whole genealogy.
It doesn’t matter. The One-Drop Rule works if a Democrat wants to claim to be black for political gain.