Parse this person name:

Jeffery Sanchez (1374-1439, flourished 1403-1433)
user
first_name: Jeffery
last_name: Sanchez
middle_names: []
temporal:
- start: 1374
  end: 1439
  type: life_span
- start: 1403
  end: 1433
  type: flourished
titles: []
extra_info: []
assistant