Parse this person name:

Daniel Young (1234-1298, flourished 1257-1276)
user
first_name: Daniel
last_name: Young
middle_names: []
temporal:
- start: 1234
  end: 1298
  type: life_span
- start: 1257
  end: 1276
  type: flourished
titles: []
extra_info: []
assistant