Duque D. Fernando I & D. Joana de Castro

‌Duque D. Fernando I and Joana de were married in a religious ceremony.  They have five sons and four daughters, named Marquês D. João, Duque D. Fernando II, Conde D. Afonso, D. Álvaro, António de, Beatriz de, Guiomar de, Catarina de and Isabel de.