Parse this person name:

Margaret Barker (1213-1278, flourished 1233-1243)
user
first_name: Margaret
last_name: Barker
middle_names: []
temporal:
- start: 1213
  end: 1278
  type: life_span
- start: 1233
  end: 1243
  type: flourished
titles: []
extra_info: []
assistant