Parse this person name:

Brent van den Berg (1404-1475, flourished 1433-1457)
user
first_name: Brent
last_name: van den Berg
middle_names: []
temporal:
- start: 1404
  end: 1475
  type: life_span
- start: 1433
  end: 1457
  type: flourished
titles: []
extra_info: []
assistant