In France, Bernard Gui investigated an alleged 1321 “plot” named for these people, who were accused of stockpiling rotten bread to carry out a mass poisoning. According to a legend that emerged in the 15th century, priests would conduct a “Last Mass” for these people which entailed pouring dirt over their heads as they stood in an open grave. The Acts of (*) Sylvester records a tradition in which a ruler who was one of these people (10[1])rewarded Pope Sylvester I for his assistance. While begging for alms, these residents of “lazar-houses” used the noise of a clapper or bell (10[1])to attract the attention of passers-by. Baldwin IV of Jerusalem was unable to marry because he was one of these people. For 10 points, name these medieval pariahs, forcibly quarantined due to their infectious skin diseases. ■END■