Parse this person name:

Julien Samson, 1477-1520, flourished 1503-1514
user
first_name: Julien
last_name: Samson
middle_names: []
temporal:
- start: 1477
  end: 1520
  type: life_span
- start: 1503
  end: 1514
  type: flourished
titles: []
extra_info: []
assistant