Estácio Gonçalves Souto Maior
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Born: July 30, 1913, Bom Jardim, State of Pernambuco, Brazil
Died: October 12, 1974 (age 61 years), Brasília, Federal District, Brazil
Children: Nelson Piquet
Grandchildren: Nelson Piquet Jr., Pedro Estacio Piquet, Geraldo Piquet, and more