Parse this person name:

Heidelore Sontag, 1336-1381, flourished 1356-1376
user
first_name: Heidelore
last_name: Sontag
middle_names: []
temporal:
- start: 1336
  end: 1381
  type: life_span
- start: 1356
  end: 1376
  type: flourished
titles: []
extra_info: []
assistant