Parse this person name:

René Navarro, 1423-1501, flourished 1438-1454
user
first_name: René
last_name: Navarro
middle_names: []
temporal:
- start: 1423
  end: 1501
  type: life_span
- start: 1438
  end: 1454
  type: flourished
titles: []
extra_info: []
assistant