She was the widow of Pr. D.João d'Orléans Bragança (d.2005), younger brother of the Countess of Paris, the Duchess of Bragança and D.Pedro O.B. and elder brother of D. Teresa, Mme Martorell.
The couple was married in Rio in 1990, being the second wedding for each.
Pr. D.João had been married to Pss Fatima Scherifa Chirine (Sintra, 1949), a marriage that ended in divorce in 1971.
Pss Fatima gave him his only son, Pr. D.João b.1954.
D.Maria Theresa had been married to Eduardo de Sousa Campos and they also had one son Eduardo aka Diduzinho, who died last year, leaving her with a chagrain that she never recovered from.