Parse this person name:

Casper Sestig, 1332-1389, flourished 1354-1380
user
first_name: Casper
last_name: Sestig
middle_names: []
temporal:
- start: 1332
  end: 1389
  type: life_span
- start: 1354
  end: 1380
  type: flourished
titles: []
extra_info: []
assistant