Parse this person name:

Denis Brunel, 1400-1479, flourished 1420-1441
user
first_name: Denis
last_name: Brunel
middle_names: []
temporal:
- start: 1400
  end: 1479
  type: life_span
- start: 1420
  end: 1441
  type: flourished
titles: []
extra_info: []
assistant