Parse this person name:

Éléonore C. (Éléonore Cécile) Étienne, 1399-1429
user
first_name: Éléonore
last_name: Étienne
middle_names:
- Cécile
temporal:
- start: 1399
  end: 1429
  type: life_span
titles: []
extra_info: []
assistant