Parse this person name:

Elly Jähn, 1200-1254, flourished 1218-1234
user
first_name: Elly
last_name: Jähn
middle_names: []
temporal:
- start: 1200
  end: 1254
  type: life_span
- start: 1218
  end: 1234
  type: flourished
titles: []
extra_info: []
assistant