Parse this person name:

Britt van der Smeede, 1923-1973, flourished 1949-1968
user
first_name: Britt
last_name: van der Smeede
middle_names: []
temporal:
- start: 1923
  end: 1973
  type: life_span
- start: 1949
  end: 1968
  type: flourished
titles: []
extra_info: []
assistant