Parse this person name:

Alexandros S. (Alexandros Stella) Gertz-Seidel, 1468-1533
user
first_name: Alexandros
last_name: Gertz-Seidel
middle_names:
- Stella
temporal:
- start: 1468
  end: 1533
  type: life_span
titles: []
extra_info: []
assistant