Parse this person name:

Tröst Sontag, Gülay Emmy Nikolaus G. Ottokar Emmy Nikolaus G. Ottokar
user
first_name: Gülay
last_name: Tröst Sontag
middle_names:
- Emmy
- Nikolaus
- G.
- Ottokar
temporal: []
titles: []
extra_info: []
assistant