Petrus Crassus was a jurist of the eleventh century, teaching at Ravenna. He is known for his treatise The Defence of King Henry (Latin: Defensio Henrici IV) from 1084 supporting the Emperor Henry IV against Pope Gregory VII during the investiture contest.
Petrus Crassus was a jurist of the eleventh century, teaching at Ravenna. He is known for his treatise The Defence of King Henry (Latin: Defensio Henrici IV) from 1084 supporting the Emperor Henry IV against Pope Gregory VII during the investiture contest.
Source: Wikipedia "Petrus Crassus" · CC BY-SA 4.0
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