14th century) 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 Spanish Jews in 1391, beginning in the city of Seville.
For more than a decade Martínez continued his verbal assaults, telling Catholics to "expel the Jews...and to demolish their synagogues.
[1] A tipping point occurred when both Juan I and Barroso died in 1390, leaving his 11-year-old son Henry III to rule under the regency of his mother.
[2] Martínez continued his campaign against the Jews of Seville, calling on clergy and people to destroy synagogues and seize Jewish holy books and other items.
[3] Martínez was imprisoned again by royal order in 1395, and although he was quickly released, he died soon after, leaving his fortune to a hospital he had founded at San María, Seville.