Parse this person name:

Robert Brun (1373-1441, flourished 1401-1430)
user
first_name: Robert
last_name: Brun
middle_names: []
temporal:
- start: 1373
  end: 1441
  type: life_span
- start: 1401
  end: 1430
  type: flourished
titles: []
extra_info: []
assistant