Parse this person name:

Jennifer Greij, 1239-1311, flourished 1268-1287
user
first_name: Jennifer
last_name: Greij
middle_names: []
temporal:
- start: 1239
  end: 1311
  type: life_span
- start: 1268
  end: 1287
  type: flourished
titles: []
extra_info: []
assistant