Parse this person name:

Guillaume Sauvage, 1557-1609, flourished 1583-1604
user
first_name: Guillaume
last_name: Sauvage
middle_names: []
temporal:
- start: 1557
  end: 1609
  type: life_span
- start: 1583
  end: 1604
  type: flourished
titles: []
extra_info: []
assistant