Coat of arms of Jacinto Alves Barbosa, 1st baron of Santa Justa. Also used by his sons, the 2nd and 3rd barons of Santa Justa, and by his daughter-in-law, the viscountess of Santa Justa.
Archivo Nobiliarchico Brasileiro, of Rodolfo Smith de Vasconcelos and Jaime Smith de Vasconcelos (1918).
myself, based on symbol of XIX century.