Parse this person name:

Blanka Käster-Martin, 1436-1476, flourished 1465-1471
user
first_name: Blanka
last_name: Käster-Martin
middle_names: []
temporal:
- start: 1436
  end: 1476
  type: life_span
- start: 1465
  end: 1471
  type: flourished
titles: []
extra_info: []
assistant