Parse this person name:

Heidemarie P. (Heidemarie Piotr) Austermühle, born 1843
user
first_name: Heidemarie
last_name: Austermühle
middle_names:
- Piotr
temporal:
- start: 1843
  end: null
  type: life_span
titles: []
extra_info: []
assistant