Parse this person name:

Janko Flantz (1498-1543, flourished 1523-1538)
user
first_name: Janko
last_name: Flantz
middle_names: []
temporal:
- start: 1498
  end: 1543
  type: life_span
- start: 1523
  end: 1538
  type: flourished
titles: []
extra_info: []
assistant