Parse this person name:

Étienne Ferrand, 1349-1412, flourished 1365-1386
user
first_name: Étienne
last_name: Ferrand
middle_names: []
temporal:
- start: 1349
  end: 1412
  type: life_span
- start: 1365
  end: 1386
  type: flourished
titles: []
extra_info: []
assistant