Parse this person name:

Joan Jacobs, 1402-1443, flourished 1431-1438
user
first_name: Joan
last_name: Jacobs
middle_names: []
temporal:
- start: 1402
  end: 1443
  type: life_span
- start: 1431
  end: 1438
  type: flourished
titles: []
extra_info: []
assistant