Parse this person name:

صدر الدّين آل جعفر, 1254-1319, flourished 1270-1285
user
first_name: صدر الدّين
last_name: آل جعفر
middle_names: []
temporal:
- start: 1254
  end: 1319
  type: life_span
- start: 1270
  end: 1285
  type: flourished
titles: []
extra_info: []
assistant