Parse this person name:

Perrin Coste, Tristan B. F. Juliette Laurence, 1215-1264
user
first_name: Tristan
last_name: Perrin Coste
middle_names:
- B.
- F.
- Juliette
- Laurence
temporal:
- start: 1215
  end: 1264
  type: life_span
titles: []
extra_info: []
assistant