Parse this person name:

Dave van der Veen (1820-1900, flourished 1839-1850)
user
first_name: Dave
last_name: van der Veen
middle_names: []
temporal:
- start: 1820
  end: 1900
  type: life_span
- start: 1839
  end: 1850
  type: flourished
titles: []
extra_info: []
assistant