Parse this person name:

Gerdi Fiebig, 1397-1446, flourished 1415-1436
user
first_name: Gerdi
last_name: Fiebig
middle_names: []
temporal:
- start: 1397
  end: 1446
  type: life_span
- start: 1415
  end: 1436
  type: flourished
titles: []
extra_info: []
assistant