An order to "kill them all, for God will know his own" was issued by a papal legate before the residents of Béziers
A city that fought to protect these people built a trebuchet that squared off against a machine called the "cat," inspiring a work by Raimon Escrivan ("rye-MOAN" ess-kree-VAHN) in which the two siege engines engage in a mock debate. Folquet de Marselha ("foal"-KAY de mar-"SAIL") helped set up a convent at Prouilhe (proo-EEL-uh) for women who le  this group to become Catholics. Guillaume Bélibaste (gee-YOHM BAY-lee-bahst) was likely the last "perfect" of this group, a status he gained via the consolamentum sacrament. An order to "kill them all, for God will know his own" was issued by a papal legate before the residents of Béziers (BAY-zee-eh) were massacred for sheltering these people. Raymond VI ("the sixth") of Toulouse was their chief ally in Innocent III's war against them. For 10 points, what heretical group of southern France was targeted by the Albigensian Crusade?
A city that fought to protect these people built a trebuchet that squared off against a machine called the "cat," inspiring a work by Raimon Escrivan ("rye-MOAN" ess-kree-VAHN) in which the two siege engines engage in a mock debate.
Cathars [accept word forms such as Catharism; accept Albigensians before "Albigensian"]