Parse this person name:

Metz Jähn, Sabine H. R. A. Petra, 1208-1252
user
first_name: Sabine
last_name: Metz Jähn
middle_names:
- H.
- R.
- A.
- Petra
temporal:
- start: 1208
  end: 1252
  type: life_span
titles: []
extra_info: []
assistant