Parse this person name:

Aaron van Kasteelen, 1901-1980, flourished 1921-1943
user
first_name: Aaron
last_name: van Kasteelen
middle_names: []
temporal:
- start: 1901
  end: 1980
  type: life_span
- start: 1921
  end: 1943
  type: flourished
titles: []
extra_info: []
assistant