Parse this person name:

Koen Berendse (1419-1464, flourished 1441-1458)
user
first_name: Koen
last_name: Berendse
middle_names: []
temporal:
- start: 1419
  end: 1464
  type: life_span
- start: 1441
  end: 1458
  type: flourished
titles: []
extra_info: []
assistant