Parse this person name:

Heidemarie Jähn, 1350-1404, flourished 1380-1391
user
first_name: Heidemarie
last_name: Jähn
middle_names: []
temporal:
- start: 1350
  end: 1404
  type: life_span
- start: 1380
  end: 1391
  type: flourished
titles: []
extra_info: []
assistant