Parse this person name:

Britt van Beek (1612-1669, flourished 1635-1645)
user
first_name: Britt
last_name: van Beek
middle_names: []
temporal:
- start: 1612
  end: 1669
  type: life_span
- start: 1635
  end: 1645
  type: flourished
titles: []
extra_info: []
assistant