Parse this person name:

Sébastien Langlois, 1263-1338, flourished 1280-1290
user
first_name: Sébastien
last_name: Langlois
middle_names: []
temporal:
- start: 1263
  end: 1338
  type: life_span
- start: 1280
  end: 1290
  type: flourished
titles: []
extra_info: []
assistant