Parse this person name:

Ruben Blaak (1418-1463, flourished 1446-1458)
user
first_name: Ruben
last_name: Blaak
middle_names: []
temporal:
- start: 1418
  end: 1463
  type: life_span
- start: 1446
  end: 1458
  type: flourished
titles: []
extra_info: []
assistant