When Joao de Oliveira Flores was born on 21 June 1902, in São Sebastião do Caí, Rio Grande do Sul, Brazil, his father, Joao De Oliveira Flores, was 36 and his mother, Luiza Roth Elias, was 23. He married Diversina Roduit in 1931, in São Sebastião do Caí, Rio Grande do Sul, Brazil. They were the parents of at least 3 sons. He died on 15 March 1992, at the age of 89.