Parse this person name:

Segismundo Gras, 1505-1556, flourished 1533-1545
user
first_name: Segismundo
last_name: Gras
middle_names: []
temporal:
- start: 1505
  end: 1556
  type: life_span
- start: 1533
  end: 1545
  type: flourished
titles: []
extra_info: []
assistant