Parse this person name:

Loek van de Darnau, 1918-1961, flourished 1937-1956
user
first_name: Loek
last_name: van de Darnau
middle_names: []
temporal:
- start: 1918
  end: 1961
  type: life_span
- start: 1937
  end: 1956
  type: flourished
titles: []
extra_info: []
assistant