Parse this person name:

Pierre Rousseau (1416-1466, flourished 1438-1456)
user
first_name: Pierre
last_name: Rousseau
middle_names: []
temporal:
- start: 1416
  end: 1466
  type: life_span
- start: 1438
  end: 1456
  type: flourished
titles: []
extra_info: []
assistant