Parse this person name:

Sam Oosterhek (1229-1307, flourished 1246-1272)
user
first_name: Sam
last_name: Oosterhek
middle_names: []
temporal:
- start: 1229
  end: 1307
  type: life_span
- start: 1246
  end: 1272
  type: flourished
titles: []
extra_info: []
assistant