Parse this person name:

Nicolai G. (Nicolai Georg) Stey-Neuschäfer, 1769-1816
user
first_name: Nicolai
last_name: Stey-Neuschäfer
middle_names:
- Georg
temporal:
- start: 1769
  end: 1816
  type: life_span
titles: []
extra_info: []
assistant