Parse this person name:

Liane Jäntsch, 1285-1340, flourished 1306-1324
user
first_name: Liane
last_name: Jäntsch
middle_names: []
temporal:
- start: 1285
  end: 1340
  type: life_span
- start: 1306
  end: 1324
  type: flourished
titles: []
extra_info: []
assistant