Parse this person name:

Bo van der Kaay (1893-1960, flourished 1921-1947)
user
first_name: Bo
last_name: van der Kaay
middle_names: []
temporal:
- start: 1893
  end: 1960
  type: life_span
- start: 1921
  end: 1947
  type: flourished
titles: []
extra_info: []
assistant