Parse this person name:

Allen Braun, 1285-1357, flourished 1306-1323
user
first_name: Allen
last_name: Braun
middle_names: []
temporal:
- start: 1285
  end: 1357
  type: life_span
- start: 1306
  end: 1323
  type: flourished
titles: []
extra_info: []
assistant