Parse this person name:

Valerie van Engelen, 1850-1926, flourished 1879-1907
user
first_name: Valerie
last_name: van Engelen
middle_names: []
temporal:
- start: 1850
  end: 1926
  type: life_span
- start: 1879
  end: 1907
  type: flourished
titles: []
extra_info: []
assistant