Parse this person name:

Victor Grenier, 1504-1572, flourished 1524-1539
user
first_name: Victor
last_name: Grenier
middle_names: []
temporal:
- start: 1504
  end: 1572
  type: life_span
- start: 1524
  end: 1539
  type: flourished
titles: []
extra_info: []
assistant