Coat of arms of Bento Pais de Barros, baron of Itu (the same arms of the Portuguese blason of the Pais de Barros family). Also used by his son, 1st viscount, 1st count and 1st marquess of Itu, by his brother, 1st baron of Piracicaba, by his nephew, 2nd baron of Piracicaba, and by his son-in-law, baron of Tatuí.
Archivo Nobiliarchico Brasileiro, of Rodolfo Smith de Vasconcelos and Jaime Smith de Vasconcelos (1918).
myself, based on symbol of XIX century.