Coat of arms of Francisco Mariano de Viveiros Sobrinho, baron of São Bento. Blazon given at 6th June, 1857, according to registry of Cartório da Nobreza, book VI, page 35.
Archivo Nobiliarchico Brasileiro, of Rodolfo Smith de Vasconcelos and Jaime Smith de Vasconcelos (1918).
Tonyjeff, based on symbol of XIX century.