Parse this person name:

Sebastiaan Sitters, 1687-1757, flourished 1705-1724
user
first_name: Sebastiaan
last_name: Sitters
middle_names: []
temporal:
- start: 1687
  end: 1757
  type: life_span
- start: 1705
  end: 1724
  type: flourished
titles: []
extra_info: []
assistant