Parse this person name:

Siering Gehringer, Berta Kordula Karina, 1748-1772
user
first_name: Berta
last_name: Siering Gehringer
middle_names:
- Kordula
- Karina
temporal:
- start: 1748
  end: 1772
  type: life_span
titles: []
extra_info: []
assistant