Parse this person name:

David Marine L. V. Catherine Boulanger, Couturier, flourished 1257-1296
user
first_name: David
last_name: Boulanger
middle_names:
- Marine
- L.
- V.
- Catherine
temporal:
- start: 1257
  end: 1296
  type: flourished
titles: []
extra_info:
- Couturier
assistant