Count of Soure
The Count of Soure title was created by King John IV of Portugal by letters patent of 15 October 1652 in favour of João da Costa.
Holders
- João da Costa,
- Gil Eanes da Costa,
- Rodrigo da Costa,
- João José da Costa e Sousa,
- Henrique Francisco da Costa e Sousa Carvalho,
- José António Francisco da Costa,
- Henrique José da Costa Carvalho Patalim Sousa e Lafetá,
After the establishment of the Republic and the end of the nobiliary system, there were still suitors for the title:
- António Luís Carvalho de Sousa Coutinho ; 4th Marquis of Borba, 18th Count of Redondo, 15th Count of Vimioso, 7th Marquis of Valença;
- Fernando Patrício de Portugal de Sousa Coutinho, 8th Marquis of Valença, 6th Marquis of Borba, 19th Count of Redondo, 16th Count of Vimioso, 3rd Marquis of Aguiar, Count of Basto, 2nd Count of Barreiro, 3rd Count of Aguiar, 4th Marquis of Castelo Rodrigo