Parse this person name:

Karz Käster, Heinz-Willi Hanni, 1844-1873
user
first_name: Heinz-Willi
last_name: Karz Käster
middle_names:
- Hanni
temporal:
- start: 1844
  end: 1873
  type: life_span
titles: []
extra_info: []
assistant