Willigis
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Willigis was Archbishop of Mainz from 975 until his death as well as archchancellor of the Holy Roman Empire.
Bishop Willigis with Mainz Wheel, Nuremberg Chronicle, 1493
Burchard of Worms
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Burchard of Worms was the bishop of the Imperial City of Worms, in the Holy Roman Empire. He was the author of a canon law collection of twenty books known as the Decretum, Decretum Burchardi, or Decretorum libri viginti.
