Parse this person name:

Youssef Jansen, 1384-1435, flourished 1408-1427
user
first_name: Youssef
last_name: Jansen
middle_names: []
temporal:
- start: 1384
  end: 1435
  type: life_span
- start: 1408
  end: 1427
  type: flourished
titles: []
extra_info: []
assistant