3/8th's! Is that enough to get preferential treatment? :) I've not seen pictures of them when young but my mom was quite pretty, definite Indian nose.
You should check into it. I believe it is 1/16th to be enrolled as a member of the tribe. (I used to have a friend who looked like Sven from Sweden but he was a bona-fide something % Cherokee within the prescribed protocol for determination of lineage)