For the ornithologist, see Rodolphe Meyer de Schauensee. Radulphe (also spelled Radulph, Rodolphe, etc.) was a French monk who, without permission from his superiors, left his monastery in France and travelled to the Rhine Valley during the Second Crusade (1144-1147) where he preached "that the Jews should be slain as the enemies of the Christian religion."At Cologne Simon "the Pious" was murdered and mutilated; at Speyer a woman was tortured on the rack to persuade her to Christianity. Secular prelates did all they could to protect the Jews. Arnold, the Archbishop of Cologne gave them a fortified castle as refuge, and allowed them to arm themselves; the Crusaders refrained from attacking the castle, but killed any unconverted Jew that fell into their clutches. Henry (Heinrich) the Archbishop of Mainz admitted into his house some Jews pursued b