Parse this person name:

Hans Käster (1508-1577, flourished 1527-1546)
user
first_name: Hans
last_name: Käster
middle_names: []
temporal:
- start: 1508
  end: 1577
  type: life_span
- start: 1527
  end: 1546
  type: flourished
titles: []
extra_info: []
assistant