Parse this person name:

Salz, Klemens Gerti O. Nils R.., Schlüchtern (died 1401)
user
first_name: Klemens
last_name: Salz
middle_names:
- Gerti
- O.
- Nils
- R.
temporal:
- start: null
  end: 1401
  type: life_span
titles: []
extra_info:
- Schlüchtern
assistant