Parse this person name:

Guillaume Étienne, Laurence Claude Alix Joseph A., 1386-1423
user
first_name: Laurence
last_name: Guillaume Étienne
middle_names:
- Claude
- Alix
- Joseph
- A.
temporal:
- start: 1386
  end: 1423
  type: life_span
titles: []
extra_info: []
assistant