Parse this person name:

Waltraud Jäntsch, 1409-1476, flourished 1428-1440
user
first_name: Waltraud
last_name: Jäntsch
middle_names: []
temporal:
- start: 1409
  end: 1476
  type: life_span
- start: 1428
  end: 1440
  type: flourished
titles: []
extra_info: []
assistant