Parse this person name:

Ian Yu (1384-1428, flourished 1408-1423)
user
first_name: Ian
last_name: Yu
middle_names: []
temporal:
- start: 1384
  end: 1428
  type: life_span
- start: 1408
  end: 1423
  type: flourished
titles: []
extra_info: []
assistant