Parse this person name:

Sarah Knoers (1255-1304, flourished 1277-1292)
user
first_name: Sarah
last_name: Knoers
middle_names: []
temporal:
- start: 1255
  end: 1304
  type: life_span
- start: 1277
  end: 1292
  type: flourished
titles: []
extra_info: []
assistant