When Antero Avelino Ferreira de Aguiar was born on 4 August 1928, in Santo Antônio do Amparo, Minas Gerais, Brazil, his father, Pedro Ferreira Aguiar, was 25 and his mother, Ambrosina Ferreira de Aguiar, was 25. He had at least 1 daughter with Alice Carvalho Ferreira de Aguiar. He died on 21 October 2003, in Belo Horizonte, Minas Gerais, Brazil, at the age of 75.