Parse this person name:

Ruben Santos, 1247-1311, flourished 1263-1286
user
first_name: Ruben
last_name: Santos
middle_names: []
temporal:
- start: 1247
  end: 1311
  type: life_span
- start: 1263
  end: 1286
  type: flourished
titles: []
extra_info: []
assistant