Parse this person name:

Samuel van Boulogne (1858-1931, flourished 1873-1885)
user
first_name: Samuel
last_name: van Boulogne
middle_names: []
temporal:
- start: 1858
  end: 1931
  type: life_span
- start: 1873
  end: 1885
  type: flourished
titles: []
extra_info: []
assistant