Parse this person name:

Stef van Vlaanderen (1599-1647, flourished 1614-1638)
user
first_name: Stef
last_name: van Vlaanderen
middle_names: []
temporal:
- start: 1599
  end: 1647
  type: life_span
- start: 1614
  end: 1638
  type: flourished
titles: []
extra_info: []
assistant