Parse this person name:

Thierry Lefèvre, 1371-1438, flourished 1397-1421
user
first_name: Thierry
last_name: Lefèvre
middle_names: []
temporal:
- start: 1371
  end: 1438
  type: life_span
- start: 1397
  end: 1421
  type: flourished
titles: []
extra_info: []
assistant