Question: What career did Klaus-Dietrich Flade and Pedro Duque both pursue?
Sentence (from "Duke of Lafões"): Duke of Lafões (in Portuguese "Duque de Lafões") was a Portuguese title of nobility created under the decree of February 17, 1718, of King John V of Portugal and granted to his nephew, "Dom" Pedro Henrique de Bragança, son of the Infante Miguel de Bragança, an illegitimate son of King Peter II of Portugal and Anne Armande Pastre de Verger, though Pedro's mother, Luisa Casimira de Sousa Nassau e Ligne was the first to use this title.The title was later passed on to his brother, João Carlos de Bragança e Ligne de Sousa Tavares Mascarenhas da Silva, the most famous Duke of this title.
Relevant evidence: No