Parse this person name:

Jeremy Shaffer, 1273-1347, flourished 1294-1306
user
first_name: Jeremy
last_name: Shaffer
middle_names: []
temporal:
- start: 1273
  end: 1347
  type: life_span
- start: 1294
  end: 1306
  type: flourished
titles: []
extra_info: []
assistant