Parse this person name:

Margaud Fournier (1228-1291, flourished 1246-1271)
user
first_name: Margaud
last_name: Fournier
middle_names: []
temporal:
- start: 1228
  end: 1291
  type: life_span
- start: 1246
  end: 1271
  type: flourished
titles: []
extra_info: []
assistant