Parse this person name:

Sam Steenbakkers (1256-1304, flourished 1281-1299)
user
first_name: Sam
last_name: Steenbakkers
middle_names: []
temporal:
- start: 1256
  end: 1304
  type: life_span
- start: 1281
  end: 1299
  type: flourished
titles: []
extra_info: []
assistant