- Crown Prince Pavlos (maternal uncle)
- Alejandro Morales (paternal uncle)
- Denmark: Queen Margarethe is her great-aunt
- Spain: her great-aunt is the present Queen of Spain
- United Kingdom: The Duke of Edinburgh is her 1st cousin 2x removed
Isabel Inês de Herédia, Duchess of Braganza was born 22 November 1966 as the daughter of D. Jorge de Heredia and Dª Raquel Leonor Pinheiro ...