Parse this person name:

Brian de Groot, 1477-1545, flourished 1501-1522
user
first_name: Brian
last_name: de Groot
middle_names: []
temporal:
- start: 1477
  end: 1545
  type: life_span
- start: 1501
  end: 1522
  type: flourished
titles: []
extra_info: []
assistant