Parse this person name:

Alessandro G. (Alessandro Grzegorz) Seip-van der Dussen, 1427-1503
user
first_name: Alessandro
last_name: Seip-van der Dussen
middle_names:
- Grzegorz
temporal:
- start: 1427
  end: 1503
  type: life_span
titles: []
extra_info: []
assistant