Ferrand Martínez
Ferrand Martinez was an elite Spanish cleric at the Cathedral of Seville and archdeacon of Écija most noted for being an antisemitic agitator whom historians cite as the prime mover behind the series of massacres of the History of [the Jews in Spain#Massacres and mass conversions of 1391|Spanish Jews in 1391], beginning in the city of Seville.
Early life
Little is known of Martínez's early life. Before taking up the position at Écija, he was the confessor of the queen mother of Aragón.Role in the struggle for power
Martínez was made an alcalde in 1376.In 1378 he began preaching sermons against the Jews. Although Enriques II's heir Juan I commanded him to cease his rabble-rousing, he ignored the royal order, as well as commands from the primate of Spain, Archbishop Barroso of Toledo. For more than a decade Martínez continued his verbal assaults, telling Catholics to "expel the Jews...and to demolish their synagogues."