Parse this person name:

Gerrit Korstman, 1382-1459, flourished 1397-1422
user
first_name: Gerrit
last_name: Korstman
middle_names: []
temporal:
- start: 1382
  end: 1459
  type: life_span
- start: 1397
  end: 1422
  type: flourished
titles: []
extra_info: []
assistant