Parse this person name:

Casemiro Yáñez (1441-1490, flourished 1463-1478)
user
first_name: Casemiro
last_name: Yáñez
middle_names: []
temporal:
- start: 1441
  end: 1490
  type: life_span
- start: 1463
  end: 1478
  type: flourished
titles: []
extra_info: []
assistant