Parse this person name:

Segebahn, Guenther Birgit Sarah Niels., Hannover (1796-1866)
user
first_name: Guenther
last_name: Segebahn
middle_names:
- Birgit
- Sarah
- Niels
temporal:
- start: 1796
  end: 1866
  type: life_span
titles: []
extra_info:
- Hannover
assistant