Parse this person name:

Margaud Lejeune (1389-1438, flourished 1416-1433)
user
first_name: Margaud
last_name: Lejeune
middle_names: []
temporal:
- start: 1389
  end: 1438
  type: life_span
- start: 1416
  end: 1433
  type: flourished
titles: []
extra_info: []
assistant