Parse this person name:

Slavko Steckel, 1370-1446, flourished 1397-1409
user
first_name: Slavko
last_name: Steckel
middle_names: []
temporal:
- start: 1370
  end: 1446
  type: life_span
- start: 1397
  end: 1409
  type: flourished
titles: []
extra_info: []
assistant