Daughter of Vasco Maria Bello van Zeller, of Dutch Patriciate, great-great-grandson of a sister of the first Count of Valbom, great-great-grandson of a brother of the first Count of Burnay Nobleman of New Coat of Arms of Burnay (timber) with crown of Count, and wife Mafalda Maria Verde da Costa-Macedo, great-great-granddaughter of the Representative of the Title of Marquess and second Count of Tomar Nobleman of Coat of Arms of da Costa (timber) and Cabral with crown that should be of Marquess and crown of Count and great-great-great-granddaughter of the first Viscount and first Count of a Esperança Nobleman of Coat of Arms of de Barahona (timber), Fragoso, da Gama, Lobo and Cordovil with crowns of Viscount and Count, distant cousin of the late husband of the first Viscountess of Trancoso, distant cousin of the first Viscount, first Count and first Marquess of a Graciosa Nobleman of Coat of de Melo (timber), Giraldes, de Sampaio, Pereira e de Figueiredo with crowns of Viscount, of Count and of Marquess, and distant cousin of the first Viscount of o Amparo Nobleman of Coat of Arms of Barba (timber), Correia, Alardo, de Lancastre and de Barros with crown of Viscount.