Parse this person name:

Jennifer Holt (1227-1267, flourished 1250-1262)
user
first_name: Jennifer
last_name: Holt
middle_names: []
temporal:
- start: 1227
  end: 1267
  type: life_span
- start: 1250
  end: 1262
  type: flourished
titles: []
extra_info: []
assistant