Robson Gracie
Carlos Robson Gracie( born 1935) is the 2nd son of Carlos Gracie.
Gracie is a 9th degree red belt in Brazilian Jiu- Jitsu, affording him the title of Grandmaster.
He is the father of several children including, Renzo Gracie, Keila Gracie, Charles Gracie, Ralph Gracie, Robson Gracie Jr. and the late Ryan Gracie.
He is also the grandfather of Georgia Gracie and Brazilian Jiu- Jitsu black belts Kyra Gracie and Neiman Gracie.
He is the great- grandfather of Niko Gracie.
Rener Gracie
Rener Gracie( born November 10, 1983) is an American Brazilian jiu- jitsu practitioner, a head instructor at the Gracie Jiu- Jitsu Academy, and co-creator of Gracie University.
A member of the Gracie family, he is the grandson of Grandmaster Hélio Gracie, and the second- eldest son of Grandmaster Rorion Gracie, who was among some of the first family members to bring Gracie jiu- jitsu to the United States along with Carley Gracie, and Carlson Gracie.
Rener is the husband of actress, model and former pro-wrestler Eve Torres.
Rener has spent over twenty- five years at the Gracie Academy studying under Rorion and Helio Gracie.
Rener and his brother, Ryron Gracie created Gracie University, an online martial arts learning center, and developed distance learning packages for the Academy's proprietary courses.
Carlson Gracie
Carlson Gracie (August 13, 1932 – February 1, 2006) was a practitioner of Brazilian jiu-jitsu.
A member of the Gracie family, he was the eldest son of Carlos Gracie, and nephew to Hélio Gracie, founders of the Gracie jiu-jitsu.
Renzo Gracie
Renzo Gracie( born March 11, 1967) is a Brazilian mixed martial artist and Brazilian Jiu- Jitsu practitioner.
A member of the Gracie family of Brazil, Renzo is a 6th Degree Black Belt in Brazilian Jiu- Jitsu under Carlos Gracie Jr..
He is the son of Robson Gracie, grandson of Carlos Gracie, nephew of Carlos Gracie, Jr. grandnephew of Helio Gracie, and the 1st cousin once removed of Royce Gracie.
In mixed martial arts, Renzo has competed in the Ultimate Fighting Championship, Pride Fighting Championships, K- 1, RINGS, and International Fight League( head- coaching the New York Pitbulls).
He holds notable victories over five former UFC Champions: Frank Shamrock( UFC Light Heavyweight Champion), Carlos Newton( UFC Welterweight Champion), Pat Miletich( UFC Welterweight Champion), Maurice Smith( UFC Heavyweight Champion), and Oleg Taktarov( UFC 6 Tournament Winner)
A world famous Jiu- Jitsu coach, Gracie has helped train a number of professional fighters such as: Georges St- Pierre, Frankie Edgar, Chris Weidman, Matt Serra, Ricardo Almeida, Roy Nelson, Rodrigo Gracie and Paul Creighton.
His brothers Ralph Gracie and the late Ryan Gracie were also famous fighters.
, a 2008 documentary film follows Renzo's influence on Brazilian Jiu- Jitsu and Mixed martial arts over a ten- year period, showing the origins of the sport from its bare knuckle days to the explosion of the sport in both Japan and America.
Daniel Gracie
Daniel" Gracie" Simões, a native of Rio de Janeiro, Brazil, is a practitioner of Brazilian Jiu- Jitsu( BJJ), mixed martial arts and professional wrestler.
He is cousin to Renzo Gracie, Ralph Gracie, Charles Gracie and Ryan Gracie.
Ralph Gracie
Ralph Gracie( the Pitbull; born May 25, 1971) is a Brazilian martial artist who has competed in mixed martial arts.
He is the son of Robson Gracie and brother to Charles Gracie, Renzo Gracie and the late Ryan Gracie of the Gracie family.
Isaac Gracie
Isaac Joseph Gracie- Burrow( born 28 October 1994), known professionally as simply Isaac Gracie, is a British singer- songwriter from Ealing, West London.
As a child, Gracie sang in the Ealing Abbey Choir and started writing songs at the age of 14.
Gracie signed a record deal with Virgin EMI Records in 2016 and released his self titled debut album in 2018.
Gracie has been compared with the likes of Jeff Buckley, Nick Drake and Bob Dylan, amongst others.
Avichai Mandelblit
Avichai Mandelblit( born 29 July 1963) is an Israeli jurist who serves as the Attorney General of Israel.
Mandelblit had a long career in the Israel Defense Forces legal system, eventually serving as the Chief Military Advocate General between 2004 and 2011.
On April 2013, he was appointed Cabinet Secretary.
In February 2016, he was appointed Attorney General.
In November 2019, following a three- year investigation, Mandelblit formally indicted Israel's sitting Prime Minister Benjamin Netanyahu with three charges of fraud and breach of trust, and one charge of bribery.
Carlos Gracie Jr.
Carlos" Carlinhos" Gracie Jr. is a Brazilian 8 th- degree red and white belt Brazilian jiu- jitsu practitioner and instructor.
A member of the Gracie family, he is the son of Carlos Gracie, and first cousin to the Machado family brothers.
Leonardo Xavier
Professor Leonardo
" The Wizard" Xavier was born on January 3, 1976, in Rio de Janeiro, Brazil.
At the age of 5, Leo ventured into his first martial art, taking judo in school.
At the age of 13 Leo began to take Tae Kwon Do classes.
Finally, at the age of 15 a friend introduced him to Brazilian jiu- jitsu.
Leo immediately became good friends with his coaches, Royler Gracie and Saulo Ribeiro.
Under their watchful eye, Leo began to successfully compete in local and regional tournaments in Brazil and, while he was still a blue belt, Leo began to help with classes.
Leo trained during this time at the legendary birthplace of Gracie Jiu- Jitsu, Gracie Humaitá Academy in Rio.
In 1999, Leo realized his dream of being promoted to black belt from the hands of his coaches Royler Gracie and Saulo Ribeiro.
He is one of an elite group who have had the privilege and honor of teaching Jiu- Jitsu at the Gracie Humaitá Academy.
In May, 2008, Professor Xavier was promoted by Royler Gracie to the rank of third degree black belt in Gracie Jiu- Jitsu.
He is currently( 2014) a 4th degree promoted by Rickson Gracie and recognized by Jiu- Jitsu Global Federation( JJGF).

Question: Were Isaac Gracie and Avichai Mandelblit from the same country?
Answer: no