Son of Luís Filipe Manuel Henrique do Vale Peixoto de Sousa de Villas-Boas (b. February 29, 1952), paternal grandson of the 1st Viscount of Guilhomil and grand-nephew of the 2nd Baron and 1st Count of Paçô-Vieira, and wife (m. August 11, 1973) Teresa Maria de Pina Cabral e Silva (b. February 11, 1951).
