Parse this person name:

Käthe Bonbach, 1861-1923, flourished 1878-1888
user
first_name: Käthe
last_name: Bonbach
middle_names: []
temporal:
- start: 1861
  end: 1923
  type: life_span
- start: 1878
  end: 1888
  type: flourished
titles: []
extra_info: []
assistant