Parse this person name:

Ashley Cornelissen, 1237-1282, flourished 1254-1268
user
first_name: Ashley
last_name: Cornelissen
middle_names: []
temporal:
- start: 1237
  end: 1282
  type: life_span
- start: 1254
  end: 1268
  type: flourished
titles: []
extra_info: []
assistant