Parse this person name:

Giovanni Sterkman, 1429-1498, flourished 1446-1475
user
first_name: Giovanni
last_name: Sterkman
middle_names: []
temporal:
- start: 1429
  end: 1498
  type: life_span
- start: 1446
  end: 1475
  type: flourished
titles: []
extra_info: []
assistant