Parse this person name:

Gerrit Roukes, 1397-1464, flourished 1426-1448
user
first_name: Gerrit
last_name: Roukes
middle_names: []
temporal:
- start: 1397
  end: 1464
  type: life_span
- start: 1426
  end: 1448
  type: flourished
titles: []
extra_info: []
assistant