Parse this person name:

Justin Broekhoven (1442-1487, flourished 1463-1474)
user
first_name: Justin
last_name: Broekhoven
middle_names: []
temporal:
- start: 1442
  end: 1487
  type: life_span
- start: 1463
  end: 1474
  type: flourished
titles: []
extra_info: []
assistant