Parse this person name:

Alex Guillou, 1231-1297, flourished 1250-1280
user
first_name: Alex
last_name: Guillou
middle_names: []
temporal:
- start: 1231
  end: 1297
  type: life_span
- start: 1250
  end: 1280
  type: flourished
titles: []
extra_info: []
assistant