Parse this person name:

Kristin Barber (1249-1311, flourished 1277-1291)
user
first_name: Kristin
last_name: Barber
middle_names: []
temporal:
- start: 1249
  end: 1311
  type: life_span
- start: 1277
  end: 1291
  type: flourished
titles: []
extra_info: []
assistant