Parse this person name:

Jennifer Walter, 1238-1290, flourished 1262-1279
user
first_name: Jennifer
last_name: Walter
middle_names: []
temporal:
- start: 1238
  end: 1290
  type: life_span
- start: 1262
  end: 1279
  type: flourished
titles: []
extra_info: []
assistant