Parse this person name:

Alex van de Klashorst, 1900-1971, flourished 1927-1947
user
first_name: Alex
last_name: van de Klashorst
middle_names: []
temporal:
- start: 1900
  end: 1971
  type: life_span
- start: 1927
  end: 1947
  type: flourished
titles: []
extra_info: []
assistant