Parse this person name:

Puk van Verdun (1418-1495, flourished 1440-1452)
user
first_name: Puk
last_name: van Verdun
middle_names: []
temporal:
- start: 1418
  end: 1495
  type: life_span
- start: 1440
  end: 1452
  type: flourished
titles: []
extra_info: []
assistant