Parse this person name:

Marisa Käster, 1820-1873, flourished 1845-1858
user
first_name: Marisa
last_name: Käster
middle_names: []
temporal:
- start: 1820
  end: 1873
  type: life_span
- start: 1845
  end: 1858
  type: flourished
titles: []
extra_info: []
assistant