Parse this person name:

Saar van den Nyeuwenhuysen (1898-1966, flourished 1927-1942)
user
first_name: Saar
last_name: van den Nyeuwenhuysen
middle_names: []
temporal:
- start: 1898
  end: 1966
  type: life_span
- start: 1927
  end: 1942
  type: flourished
titles: []
extra_info: []
assistant