Parse this person name:

Kunigunde Kranz, 1370-1420, flourished 1389-1399
user
first_name: Kunigunde
last_name: Kranz
middle_names: []
temporal:
- start: 1370
  end: 1420
  type: life_span
- start: 1389
  end: 1399
  type: flourished
titles: []
extra_info: []
assistant