Parse this person name:

Romy Ehlert (1236-1296, flourished 1255-1271)
user
first_name: Romy
last_name: Ehlert
middle_names: []
temporal:
- start: 1236
  end: 1296
  type: life_span
- start: 1255
  end: 1271
  type: flourished
titles: []
extra_info: []
assistant