This dynasty was the subject of the papal bull Dum Diversas, which allowed Christians to enslave any
This dynasty was the subject of the papal bull Dum Diversas, which allowed Christians to enslave any non-Christians. One ruler of this dynasty known as "the Philosopher" centralized power by promulgating the Lei Mental. A ruler of this dynasty established the Nanban trading relationship and seized control of local churches with the Pedroado agreements. Another signed the oldest still active treaty with England, the Treaty of Windsor. Perhaps the most famous member of this dynasty hired Alvise Ca da Mosta and was defeated at the Battle of Tangier twenty-five years after leading a successful siege at Ceuta. Members of this dynasty included Sebastian the Desired and John the Good, its founder. For 10 points, name this dynasty that also included Henry the Navigator, a Portuguese ruling house that preceded the Braganzas. 
This dynasty was the subject of the papal bull Dum Diversas, which allowed Christians to enslave any non-Christians.
House of Aviz