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 "John Will"): Will also completed his black belt in Brazilian Jiu Jitsu under Rigan Machado and his brothers, John, Roger and Jean Jacques Machado in 1997; making him one of the first twelve foreign nationals to have earned a black belt in Brazilian Jiu Jitsu.
Relevant evidence: No