Parse this person name:

Chrétien Foucher, Margot Brigitte I. K., 1310-1339
user
first_name: Margot
last_name: Chrétien Foucher
middle_names:
- Brigitte
- I.
- K.
temporal:
- start: 1310
  end: 1339
  type: life_span
titles: []
extra_info: []
assistant