Parse this person name:

Antonino Seifert, 1375-1454, flourished 1405-1421
user
first_name: Antonino
last_name: Seifert
middle_names: []
temporal:
- start: 1375
  end: 1454
  type: life_span
- start: 1405
  end: 1421
  type: flourished
titles: []
extra_info: []
assistant