Parse this person name:

Fenna Jacobi, 1243-1285, flourished 1260-1270
user
first_name: Fenna
last_name: Jacobi
middle_names: []
temporal:
- start: 1243
  end: 1285
  type: life_span
- start: 1260
  end: 1270
  type: flourished
titles: []
extra_info: []
assistant