Barons | Titles by Rank
- Barons of São Leonardo
- Barons of São Lourenço
- Barons of São Lourenço
- Barons of São Lucas
- Barons of São Luis
- Barons of São Luis-I
- Barons of São Marcelino
- Barons of São Marcos
- Barons of São Martinho de Dume
- Barons of São Miguel
- Barons of São Miguel
- Barons of São Miguel dos Campos
- Barons of São Nicolau
- Barons of São Nicolau
- Barons of São Pedro
- Barons of São Pedro do Rego da Murta
- Barons of São Raimundo
- Barons of São Roberto
- Barons of São Romão
- Barons of São Roque
- Barons of São Roque-B
- Barons of São Salvador de Campos de Goitacazes
- Barons of São Sebastião
- Barons of São Sepé
- Barons of São Simão
- Barons of São Tiago
- Barons of São Tomé
- Barons of São Torquato
- Barons of São Vitor
- Barons of Sapucaia
- Barons of Saquarema
- Barons of Saramenha
- Barons of Sarapuí
- Barons of Sarmento
- Barons of Sassenage
- Barons of Satrústegui
- Barons of Saubara
- Barons of Saúde
- Barons of Saúde-I
- Barons of Sauípe
- Barons of Sault
- Barons of Saurau
- Barons of Saurau-Ligist
- Barons of Saussure
- Barons of Sauveboeuf
- Barons of Scafati
- Barons of Schaesberg
- Barons of Schellersheim
- Barons of Schenk
- Barons of Schiavi