Parse this person name:

Alix De Oliveira, 1412-1479, flourished 1431-1458
user
first_name: Alix
last_name: De Oliveira
middle_names: []
temporal:
- start: 1412
  end: 1479
  type: life_span
- start: 1431
  end: 1458
  type: flourished
titles: []
extra_info: []
assistant