Coat of arms of Manuel Inácio Cavalcanti de Lacerda Albuquerque, baron of Pirapama (the same arms of the Portuguese blasons of the Cavalcanti and Albuquerque families).
Archivo Nobiliarchico Brasileiro, of Rodolfo Smith de Vasconcelos and Jaime Smith de Vasconcelos (1918).
Tonyjeff, based on symbol of XIX century.