Parse this person name:

Victor van Kusen (1331-1403, flourished 1346-1372)
user
first_name: Victor
last_name: van Kusen
middle_names: []
temporal:
- start: 1331
  end: 1403
  type: life_span
- start: 1346
  end: 1372
  type: flourished
titles: []
extra_info: []
assistant