Daughter of José Maria de Castro e Almeida de Sá da Bandeira, great-great-grandson of the brother of the first Baronesa, first Viscount and first Marquess of Sá da Bandeira Nobleman of Coat of Arms of Nogueira (timber), da Silveira, de Carvalho e de Figueiredo with crowns of Baronesa, of Viscount and of Marquess, and wife
Clara Sá da Bandeira, great-great-great-granddaughter of a brother of the first Viscount of as Nogueiras, great-great-granddaughter of the first Count of Vila Franca do Campo Nobleman of Coat of Arms of da Costa (timber), de Sousa of the Lords of o Prado alias of the Lords of Mortágua, de Macedo and de Albuquerque with crown of Count.