Count of São Lourenço
The Count of São Lourenço () was a noble title created by Philip II of Portugal, by letter dated 26 June 1640, in favour of Pedro da Silva and his descendants.
List of counts
- Pedro da Silva, 1st Count of São Lourenço;
- Madalena da Silva, 2nd Countess of São Lourenço (sue jure) and Martim Afonso de Melo, 2nd Count of São Lourenço (jure uxoris);
- Luís de Melo da Silva, 3rd Count of São Lourenço;
- Martim António Afonso de Melo, 4th Count of São Lourenço;
- Rodrigo de Melo da Silva, 5th Count of São Lourenço;
- Ana de Melo da Silva César de Meneses, 6th Countess of São Lourenço;
- D. António Maria de Melo da Silva César de Meneses, 7th Count of São Lourenço;
- D. José António de Melo da Silva César e Meneses, 8th Count of São Lourenço;
- D. António José de Melo da Silva César de Meneses, 9th Count of São Lourenço;
- D. António Maria José de Melo da Silva César e Meneses, 10th Count of São Lourenço;
- D. António Maria Vasco de Melo Silva César e Meneses, 11th Count of São Lourenço.
After the implantation of the First Portuguese Republic and end of the system of nobility, many of the descendants became pretenders to the title.