Parse this person name:

Christopher Bradley, 1267-1339, flourished 1284-1307
user
first_name: Christopher
last_name: Bradley
middle_names: []
temporal:
- start: 1267
  end: 1339
  type: life_span
- start: 1284
  end: 1307
  type: flourished
titles: []
extra_info: []
assistant