Parse this person name:

Antoine Boyer (1228-1300, flourished 1251-1261)
user
first_name: Antoine
last_name: Boyer
middle_names: []
temporal:
- start: 1228
  end: 1300
  type: life_span
- start: 1251
  end: 1261
  type: flourished
titles: []
extra_info: []
assistant