Parse this person name:

Marianna H. (Marianna Hagen) Gröttner-Karz, 1739-1812
user
first_name: Marianna
last_name: Gröttner-Karz
middle_names:
- Hagen
temporal:
- start: 1739
  end: 1812
  type: life_span
titles: []
extra_info: []
assistant