https://commons.wikimedia.org/w/index.php?curid=511821
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THE PERFECT CONTRAPASSO
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The contrapasso
Perfect punishment of Hell
Poetic justice
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Note: Bertran de Born urged a son to rebel against his father, the head of the family, and so Bertran’s head is cut off each time he completes the circuit of this circle of Hell.
For More Information:
INFERNO: CANTO 28
https://davidbruceblog.wordpress.com/2017/01/27/dantes-inferno-canto-28-retelling-the-schismatics/