Relations under Susenyos's successor, Fasilides, were markedly better. Susenyos's conversion to Catholicism had resulted in a backlash against the Catholic Portuguese. Fasilides expelled or killed all Jesuits, burned their books, and in 1648 made agreements with the Pashas of Massawa and Suakin to execute any Jesuits attempting to enter Ethiopia through those ports.[21] There was little change in the relatively good (though obviously tense due to contrary intentions) relations until the reign of Iyasu I at the end of the 17th century.