Parse this person name:

Niels Ebert, 1201-1258, flourished 1221-1250
user
first_name: Niels
last_name: Ebert
middle_names: []
temporal:
- start: 1201
  end: 1258
  type: life_span
- start: 1221
  end: 1250
  type: flourished
titles: []
extra_info: []
assistant