Parse this person name:

Simon de Graaf, 1338-1416, flourished 1362-1385
user
first_name: Simon
last_name: de Graaf
middle_names: []
temporal:
- start: 1338
  end: 1416
  type: life_span
- start: 1362
  end: 1385
  type: flourished
titles: []
extra_info: []
assistant