Parse this person name:

Alexei Paffrath (1401-1464, flourished 1426-1445)
user
first_name: Alexei
last_name: Paffrath
middle_names: []
temporal:
- start: 1401
  end: 1464
  type: life_span
- start: 1426
  end: 1445
  type: flourished
titles: []
extra_info: []
assistant