Parse this person name:

Alyssa van Oostendorp, 1391-1447, flourished 1415-1434
user
first_name: Alyssa
last_name: van Oostendorp
middle_names: []
temporal:
- start: 1391
  end: 1447
  type: life_span
- start: 1415
  end: 1434
  type: flourished
titles: []
extra_info: []
assistant