Coat of arms of João Maria da Gama Freitas Berquó, 1st baron, viscount and marquess of Cantagalo (the same arms of the Portuguese blasons of the Gama and Freitas families.
Archivo Nobiliarchico Brasileiro, of Rodolfo Smith de Vasconcelos and Jaime Smith de Vasconcelos (1918).
myself, based on symbol of XIX century.