Parse this person name:

Elfi Jacobi Jäckel (1268-1308, flourished 1289-1303)
user
first_name: Elfi
last_name: Jacobi Jäckel
middle_names: []
temporal:
- start: 1268
  end: 1308
  type: life_span
- start: 1289
  end: 1303
  type: flourished
titles: []
extra_info: []
assistant