Parse this person name:

Sam Molegraaf, 1307-1353, flourished 1335-1348
user
first_name: Sam
last_name: Molegraaf
middle_names: []
temporal:
- start: 1307
  end: 1353
  type: life_span
- start: 1335
  end: 1348
  type: flourished
titles: []
extra_info: []
assistant