Coat of arms of Antônio Pereira de Sousa Barros, baron of Engenho Novo (the same arms of the Portuguese blasons of the Sousa Prado and Barros families).
Archivo Nobiliarchico Brasileiro, of Rodolfo Smith de Vasconcelos and Jaime Smith de Vasconcelos (1918).
Tonyjeff, based on symbol of XIX century.