Parse this person name:

Lukas Gumprich'Graf, 1425-1486, flourished 1447-1470
user
first_name: Lukas
last_name: Gumprich'Graf
middle_names: []
temporal:
- start: 1425
  end: 1486
  type: life_span
- start: 1447
  end: 1470
  type: flourished
titles: []
extra_info: []
assistant