Vila Flor
The title duke of Terceira, "de juro e herdade" (meaning "forever granted") was created by decree of King Pedro IV of Portugal, on 8 November 1832. António José de Souza Manoel de Menezes Severim de Noronha, 7th Count of Vila Flor, "de juro e herdade", and 1st Marquis of Vila Flor, was the first holder of the title.