Parse this person name:

Alejo Moreno, 1726-1783, flourished 1750-1761
user
first_name: Alejo
last_name: Moreno
middle_names: []
temporal:
- start: 1726
  end: 1783
  type: life_span
- start: 1750
  end: 1761
  type: flourished
titles: []
extra_info: []
assistant