Parse this person name:

Jasper van Ooyen, 1228-1281, flourished 1248-1261
user
first_name: Jasper
last_name: van Ooyen
middle_names: []
temporal:
- start: 1228
  end: 1281
  type: life_span
- start: 1248
  end: 1261
  type: flourished
titles: []
extra_info: []
assistant