Parse this person name:

Alwin Paffrath (1216-1273, flourished 1233-1247)
user
first_name: Alwin
last_name: Paffrath
middle_names: []
temporal:
- start: 1216
  end: 1273
  type: life_span
- start: 1233
  end: 1247
  type: flourished
titles: []
extra_info: []
assistant