[3] He was the son of captain-major Manuel Vieira Dantas and Ana Maria José Lins, born on the Sinimbu engenho, in São Miguel dos Campos, Captaincy of Pernambuco (current state of Alagoas).

[4] Upon returning to Brazil, Sinimbu began his political career, serving in various positions, including judiciary, police and diplomacy.

[4] He stood out for introducing the decimal numeral system in Brazil during his tenure at the Ministry of Agriculture.

Furthermore, he presided over the 27th Council of State and faced the Vintém Revolt, which arose due to popular discontent with tax increases.

[6] Sinimbu was appointed senator of the Province of Alagoas in 1856 and remained in that position until the Proclamation of the Republic.