Edition, Lisbon, 1987, p. 256. Manuel Abranches de Soveral Ascendências Visienses. Ensaio genealógico sobre a nobreza de Viseu. Séculos XIV a XVII , Author's edition, 1st Edition, Porto, 2004, Vol. II., p. 42-3. Year of birth missing Year of death missing Portuguese explorers 15th-century explorers of Africa 15th-century Portuguese people