Parse this person name:

Gröttner Heinrich, Lorenzo Luigi Inken Lara, 1391-1469
user
first_name: Lorenzo
last_name: Gröttner Heinrich
middle_names:
- Luigi
- Inken
- Lara
temporal:
- start: 1391
  end: 1469
  type: life_span
titles: []
extra_info: []
assistant