Parse this person name:

Erna Radisch, 1208-1258, flourished 1231-1253
user
first_name: Erna
last_name: Radisch
middle_names: []
temporal:
- start: 1208
  end: 1258
  type: life_span
- start: 1231
  end: 1253
  type: flourished
titles: []
extra_info: []
assistant