Parse this person name:

Bertrand Vaillant, 1491-1556, flourished 1509-1539
user
first_name: Bertrand
last_name: Vaillant
middle_names: []
temporal:
- start: 1491
  end: 1556
  type: life_span
- start: 1509
  end: 1539
  type: flourished
titles: []
extra_info: []
assistant