Parse this person name:

Marcelle Étienne, 1279-1357, flourished 1305-1335
user
first_name: Marcelle
last_name: Étienne
middle_names: []
temporal:
- start: 1279
  end: 1357
  type: life_span
- start: 1305
  end: 1335
  type: flourished
titles: []
extra_info: []
assistant