"Duke of Palmela" . . . "Pedro de Sousa Holstein, 1st Duke of Palmela" . . . . . . . . "Assinatura Duque de Palmella.svg" . "1781" . . . . . . . "1850" . . . . . . . . . . . . . . . "Pedro de Sousa Holstein, 1.\u00BA Duque de Palmela" . . . . . "Pedro de Sousa Holstein, 1st Count of Palmela" . . . . . . "Marquis of Palmela" . . . "Palmela" . . . . . "1st Duke of Palmela" . "Pedro de Holstein" . . "1850-10-12" . . . . . . "Duque de Palmela" . "Pedro de Sousa Holstein (later 1st Duke of Palmela)" . . "Pedro de Sousa Holstein, 1st Duke of Palmela" . . . "Pedro de Sousa Holstein" . . . . "1781-05-08" . "The Duke of Palmela" .