Parse this person name:

Bertrand Boucher, Eugène Lucie U. Marine M., born 1618
user
first_name: Eugène
last_name: Bertrand Boucher
middle_names:
- Lucie
- U.
- Marine
- M.
temporal:
- start: 1618
  end: null
  type: life_span
titles: []
extra_info: []
assistant