Parse this person name:

Maritta Seidel (1401-1441, flourished 1422-1435)
user
first_name: Maritta
last_name: Seidel
middle_names: []
temporal:
- start: 1401
  end: 1441
  type: life_span
- start: 1422
  end: 1435
  type: flourished
titles: []
extra_info: []
assistant