Parse this person name:

Benjamin van Santen (1441-1493, flourished 1456-1482)
user
first_name: Benjamin
last_name: van Santen
middle_names: []
temporal:
- start: 1441
  end: 1493
  type: life_span
- start: 1456
  end: 1482
  type: flourished
titles: []
extra_info: []
assistant