Parse this person name:

Niels P. Zbigniew Tatjana Hettner, -1395
user
first_name: Niels
last_name: Hettner
middle_names:
- P.
- Zbigniew
- Tatjana
temporal:
- start: null
  end: 1395
  type: life_span
titles: []
extra_info: []
assistant