Parse this person name:

Ilonka Zänker (1392-1439, flourished 1419-1434)
user
first_name: Ilonka
last_name: Zänker
middle_names: []
temporal:
- start: 1392
  end: 1439
  type: life_span
- start: 1419
  end: 1434
  type: flourished
titles: []
extra_info: []
assistant