Parse this person name:

Janusz Benthin, 1465-1521, flourished 1490-1512
user
first_name: Janusz
last_name: Benthin
middle_names: []
temporal:
- start: 1465
  end: 1521
  type: life_span
- start: 1490
  end: 1512
  type: flourished
titles: []
extra_info: []
assistant