Parse this person name:

Gerrit Voortman, 1481-1547, flourished 1503-1522
user
first_name: Gerrit
last_name: Voortman
middle_names: []
temporal:
- start: 1481
  end: 1547
  type: life_span
- start: 1503
  end: 1522
  type: flourished
titles: []
extra_info: []
assistant