Margarida Cabral de Melo was a Portuguese noble lady.
Margarida was born in Santa Maria Island, the daughter of Matias Nunes Cabral and Maria Simões de Melo.
Margarida possessed one of the most luxurious houses in the city, with mahogany furniture, carved silverware, tapestry and among its jewelery, a gold parrot. Ancestors and descendants
The family of Francisco de Melo Coutinho, (ancestor of Margarida and Inês), were direct descendants of the same King of Portugal Afonso III and his Mistress Madragana. Margarida and Inês Cabral de Melo were also descendants of the noble House of Guzman, through of Sancha Pérez de Guzmán wife of Gonçalo Anes de Briteiros.
The Governor of Buenos Aires Juan Manuel de Rosas, and Justo José de Urquiza (first President of the Argentine Confederation), were descendants of this family.