Parse this person name:

Alejandro Kelley, 1203-1271, flourished 1231-1259
user
first_name: Alejandro
last_name: Kelley
middle_names: []
temporal:
- start: 1203
  end: 1271
  type: life_span
- start: 1231
  end: 1259
  type: flourished
titles: []
extra_info: []
assistant