Parse this person name:

Gregory Graham, 1628-1695, flourished 1646-1663
user
first_name: Gregory
last_name: Graham
middle_names: []
temporal:
- start: 1628
  end: 1695
  type: life_span
- start: 1646
  end: 1663
  type: flourished
titles: []
extra_info: []
assistant