Parse this person name:

Friedbert Barkholz (1412-1486, flourished 1440-1450)
user
first_name: Friedbert
last_name: Barkholz
middle_names: []
temporal:
- start: 1412
  end: 1486
  type: life_span
- start: 1440
  end: 1450
  type: flourished
titles: []
extra_info: []
assistant