Parse this person name:

Sébastien Lemaître, 1426-1476, flourished 1456-1471
user
first_name: Sébastien
last_name: Lemaître
middle_names: []
temporal:
- start: 1426
  end: 1476
  type: life_span
- start: 1456
  end: 1471
  type: flourished
titles: []
extra_info: []
assistant