Parse this person name:

Jesper van Dongen (1300-1345, flourished 1320-1340)
user
first_name: Jesper
last_name: van Dongen
middle_names: []
temporal:
- start: 1300
  end: 1345
  type: life_span
- start: 1320
  end: 1340
  type: flourished
titles: []
extra_info: []
assistant