Amalric, one of the leaders in the crusade against the Albigenses, who, when his followers asked him how they were to distinguish heretics from Catholics, answered, “Kill them all; God will know His own;” (d. 1225).
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Ama`lia, Anna * Amalthe`a