Parse this person name:

Stef van Venrooy (1770-1817, flourished 1791-1807)
user
first_name: Stef
last_name: van Venrooy
middle_names: []
temporal:
- start: 1770
  end: 1817
  type: life_span
- start: 1791
  end: 1807
  type: flourished
titles: []
extra_info: []
assistant