Memorial Day: July 18When did Saint Frederick live: 9th century ADBIOGRAPHY: Saint Frederick was the Bishop of Utrecht in the 9th century. He was known for his dedication to church reform and his opposition to moral corruption. He openly criticized Empress Judith for her conduct, which made him many enemies. On July 18, 838, he was assassinated during Mass by two swordsmen. His death is considered a martyrdom, and he was soon venerated as a saint.PATRONAGE: St. Frederick is the patron saint of Utrecht and is invoked against betrayal and violence.SYMBOLISM, DEPICTION: The symbol of Saint Frederick is two swords, representing his martyrdom.PATRON SAINT OF:Friedrich, Federico, Frederick, Fritz, Frieder, Fritzchen, Freddy, Frederico, Friedhelm, Frederic, Friedbert, Friedricho, Fredrik, Freddy, Fredi, Frederico, Frédéric.