Parse this person name:

Walter Seidel, Serge Necati Niels Hans-Josef Marina M. Necati Niels Hans-Josef Marina M.
user
first_name: Serge
last_name: Walter Seidel
middle_names:
- Necati
- Niels
- Hans-Josef
- Marina
- M.
temporal: []
titles: []
extra_info: []
assistant