Parse this person name:

Marcel Leroux, 1375-1436, flourished 1403-1428
user
first_name: Marcel
last_name: Leroux
middle_names: []
temporal:
- start: 1375
  end: 1436
  type: life_span
- start: 1403
  end: 1428
  type: flourished
titles: []
extra_info: []
assistant