Parse this person name:

Friedhilde Kroker, 1221-1285, flourished 1239-1255
user
first_name: Friedhilde
last_name: Kroker
middle_names: []
temporal:
- start: 1221
  end: 1285
  type: life_span
- start: 1239
  end: 1255
  type: flourished
titles: []
extra_info: []
assistant