Parse this person name:

Stephan Junken, 1460-1500, flourished 1484-1495
user
first_name: Stephan
last_name: Junken
middle_names: []
temporal:
- start: 1460
  end: 1500
  type: life_span
- start: 1484
  end: 1495
  type: flourished
titles: []
extra_info: []
assistant