Parse this person name:

Antonino S. (Antonino Sören) Grein Groth, 1279-1340
user
first_name: Antonino
last_name: Grein Groth
middle_names:
- Sören
temporal:
- start: 1279
  end: 1340
  type: life_span
titles: []
extra_info: []
assistant