Parse this person name:

Alfred Denis-Bertin (1401-1469, flourished 1418-1444)
user
first_name: Alfred
last_name: Denis-Bertin
middle_names: []
temporal:
- start: 1401
  end: 1469
  type: life_span
- start: 1418
  end: 1444
  type: flourished
titles: []
extra_info: []
assistant