Parse this person name:

Franz Josef Schäfer, 1232-1308, flourished 1257-1268
user
first_name: Franz Josef
last_name: Schäfer
middle_names: []
temporal:
- start: 1232
  end: 1308
  type: life_span
- start: 1257
  end: 1268
  type: flourished
titles: []
extra_info: []
assistant