Parse this person name:

Gundula Eigenwillig (1425-1499, flourished 1446-1458)
user
first_name: Gundula
last_name: Eigenwillig
middle_names: []
temporal:
- start: 1425
  end: 1499
  type: life_span
- start: 1446
  end: 1458
  type: flourished
titles: []
extra_info: []
assistant