He brought it to Dampierre before bestowing it on the cathedral of his native diocese .
Later , Walon obtained the relic of the head of Mammes of Caesarea , the patron saint of Langres , from the Papal legate Peter of Capua .
Walon brought it to Dampierre before bestowing it on the cathedral of Walon 's native diocese .
Later , Walon obtained the relic of the head of Mammes of Caesarea , the patron saint of Langres , from the Papal legate Peter of Capua .