Parse this person name:

Bertrand Lebreton (1376-1442, flourished 1397-1427)
user
first_name: Bertrand
last_name: Lebreton
middle_names: []
temporal:
- start: 1376
  end: 1442
  type: life_span
- start: 1397
  end: 1427
  type: flourished
titles: []
extra_info: []
assistant