Parse this person name:

Anett Hethur, 1401-1444, flourished 1428-1439
user
first_name: Anett
last_name: Hethur
middle_names: []
temporal:
- start: 1401
  end: 1444
  type: life_span
- start: 1428
  end: 1439
  type: flourished
titles: []
extra_info: []
assistant