Parse this person name:

Christian Jackson-Hancock (1231-1285, flourished 1259-1273)
user
first_name: Christian
last_name: Jackson-Hancock
middle_names: []
temporal:
- start: 1231
  end: 1285
  type: life_span
- start: 1259
  end: 1273
  type: flourished
titles: []
extra_info: []
assistant