Parse this person name:

Bianka Freudenberger (1840-1893, flourished 1862-1881)
user
first_name: Bianka
last_name: Freudenberger
middle_names: []
temporal:
- start: 1840
  end: 1893
  type: life_span
- start: 1862
  end: 1881
  type: flourished
titles: []
extra_info: []
assistant