Parse this person name:

Julia Leon, 1255-1329, flourished 1274-1298
user
first_name: Julia
last_name: Leon
middle_names: []
temporal:
- start: 1255
  end: 1329
  type: life_span
- start: 1274
  end: 1298
  type: flourished
titles: []
extra_info: []
assistant