Parse this person name:

Luna van den Bergh (1911-1953, flourished 1940-1948)
user
first_name: Luna
last_name: van den Bergh
middle_names: []
temporal:
- start: 1911
  end: 1953
  type: life_span
- start: 1940
  end: 1948
  type: flourished
titles: []
extra_info: []
assistant