Parse this person name:

Alfredo Kühnert, 1241-1288, flourished 1258-1282
user
first_name: Alfredo
last_name: Kühnert
middle_names: []
temporal:
- start: 1241
  end: 1288
  type: life_span
- start: 1258
  end: 1282
  type: flourished
titles: []
extra_info: []
assistant