Parse this person name:

Stéphane Brunet, 1234-1278, flourished 1254-1268
user
first_name: Stéphane
last_name: Brunet
middle_names: []
temporal:
- start: 1234
  end: 1278
  type: life_span
- start: 1254
  end: 1268
  type: flourished
titles: []
extra_info: []
assistant