Question: One of five brothers, what nephew of BJJ co-founder became one of the first twelve foreign nationals to have earned a black belt in Brazilian Jiu Jitsu?
Sentence (from "Jean Jacques Machado"): Jean Jacques Machado is one of the five Machado brothers, including Carlos, Roger, Rigan and John, renowned for their Brazilian Jiu-Jitsu (BJJ) skills.
Relevant evidence: No