Parse this person name:

Casper de Swart, 1461-1505, flourished 1490-1500
user
first_name: Casper
last_name: de Swart
middle_names: []
temporal:
- start: 1461
  end: 1505
  type: life_span
- start: 1490
  end: 1500
  type: flourished
titles: []
extra_info: []
assistant