Parse this person name:

Adélaïde Andrée Margaux J. Humbert, Lejeune, 1387-1439
user
first_name: Adélaïde
last_name: Humbert
middle_names:
- Andrée
- Margaux
- J.
temporal:
- start: 1387
  end: 1439
  type: life_span
titles: []
extra_info:
- Lejeune
assistant