Parse this person name:

Gunhild Kühnert, 1411-1451, flourished 1439-1446
user
first_name: Gunhild
last_name: Kühnert
middle_names: []
temporal:
- start: 1411
  end: 1451
  type: life_span
- start: 1439
  end: 1446
  type: flourished
titles: []
extra_info: []
assistant