Parse this person name:

Tomasz Kobelt, 1354-1417, flourished 1370-1398
user
first_name: Tomasz
last_name: Kobelt
middle_names: []
temporal:
- start: 1354
  end: 1417
  type: life_span
- start: 1370
  end: 1398
  type: flourished
titles: []
extra_info: []
assistant