Question: What is the date of birth of Maria Francisca Of Orléans-Braganza, Duchess Of Braganza's husband?
Sentence (from "Maria Francisca of Orléans-Braganza, Duchess of Braganza"): The Duke and Duchess had three sons, the eldest of whom, Duarte Pio, Duke of Braganza, is the current pretender to the throne of Portugal.
Relevant evidence: No