Parse this person name:

Christelle Bernard, 1427-1486, flourished 1453-1463
user
first_name: Christelle
last_name: Bernard
middle_names: []
temporal:
- start: 1427
  end: 1486
  type: life_span
- start: 1453
  end: 1463
  type: flourished
titles: []
extra_info: []
assistant