Parse this person name:

Terragni Antelami, Greca Sante Sante, died 1249
user
first_name: Greca
last_name: Terragni Antelami
middle_names:
- Sante
- Sante
temporal:
- start: null
  end: 1249
  type: life_span
titles: []
extra_info: []
assistant