Possible Clues:

• Ron returning with girl to identify place of D-Day landings
• Names of two girls sharing mother in this part of France
• Land beside the Channel
• Here's Juno with Sword (and not a large number -- about 500)
• French area
• Accepted way of behaving with unknown quantity in French region
• Northern French province
• French place in north Raymond converted
• Northern French region
• Two short men in French territory