Parse this person name:

Monnier Imbert, Gérard Jacques Arthur Jean, 1303-1383
user
first_name: Gérard
last_name: Monnier Imbert
middle_names:
- Jacques
- Arthur
- Jean
temporal:
- start: 1303
  end: 1383
  type: life_span
titles: []
extra_info: []
assistant