Parse this person name:

Stijn van Loon, 1729-1785, flourished 1747-1773
user
first_name: Stijn
last_name: van Loon
middle_names: []
temporal:
- start: 1729
  end: 1785
  type: life_span
- start: 1747
  end: 1773
  type: flourished
titles: []
extra_info: []
assistant