Parse this person name:

Grazyna Käster (1443-1523, flourished 1464-1478)
user
first_name: Grazyna
last_name: Käster
middle_names: []
temporal:
- start: 1443
  end: 1523
  type: life_span
- start: 1464
  end: 1478
  type: flourished
titles: []
extra_info: []
assistant