Robert of Châtillon (died 1210), duke and bishop of Langres from 1205 until his death. He is also notable as a peer of France and a cousin of Bernard of Clairvaux.
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Robert of Châtillon (died 1210), duke and bishop of Langres from 1205 until his death. He is also notable as a peer of France and a cousin of Bernard of Clairvaux.