Parse this person name:

Witold Dörschner'Pergande (1346-1395, flourished 1362-1388)
user
first_name: Witold
last_name: Dörschner'Pergande
middle_names: []
temporal:
- start: 1346
  end: 1395
  type: life_span
- start: 1362
  end: 1388
  type: flourished
titles: []
extra_info: []
assistant