Parse this person name:

Stella Wohlgemut (1427-1481, flourished 1455-1469)
user
first_name: Stella
last_name: Wohlgemut
middle_names: []
temporal:
- start: 1427
  end: 1481
  type: life_span
- start: 1455
  end: 1469
  type: flourished
titles: []
extra_info: []
assistant