[5] He was a 4th degree blackbelt in Judo, while also having 60 years in Luta Livre.
[2] He was university professor who continuously wrote about martial arts and grappling.
[7] Roberto trained a number of grapplers including Renato Sobral, Pedro Rizzo and Marco Ruas.
[11] His son would serve as the superintendent of the Brazilian Confederation of Associated Wrestling and was an athlete at the Olympic Games at Seoul 1988 and Barcelona 1992.
[13] This biographical article related to martial arts in Brazil is a stub.