Bertechramnus or Bertram of Le Mans was one of the wealthiest bishops of 6th-century Gaul.
He was bishop of Le Mans from 587 until 623.
At the time of his death his will listed a private holding of over 3,000 square kilometres of land.
[1] By the end of his time as bishop there were 18 churches in Le Mans.
This article about a French bishop is a stub.