Who granted this American Brazilian jiu-jitsu practitioner, who founded Metamoris, a black belt?
Metamoris: Metamoris is a Brazilian jiu-jitsu promotion, founded by Ralek Gracie, that organizes events in Los Angeles, California. Ralek Gracie:  He was awarded his black belt in Brazilian jiu-jitsu by his grandfather Hélio Gracie.
i don't know