Parse this person name:

Eberhardt-Zahn, Sigmar O. (Sigmar Ortwin), 1511-1566
user
first_name: Sigmar
last_name: Eberhardt-Zahn
middle_names:
- Ortwin
temporal:
- start: 1511
  end: 1566
  type: life_span
titles: []
extra_info: []
assistant