Parse this person name:

Emir van Velzen, 1882-1945, flourished 1909-1923
user
first_name: Emir
last_name: van Velzen
middle_names: []
temporal:
- start: 1882
  end: 1945
  type: life_span
- start: 1909
  end: 1923
  type: flourished
titles: []
extra_info: []
assistant