Parse this person name:

Julia van Waas (1871-1934, flourished 1897-1918)
user
first_name: Julia
last_name: van Waas
middle_names: []
temporal:
- start: 1871
  end: 1934
  type: life_span
- start: 1897
  end: 1918
  type: flourished
titles: []
extra_info: []
assistant