Parse this person name:

Alphonse Legendre, 1207-1255, flourished 1227-1250
user
first_name: Alphonse
last_name: Legendre
middle_names: []
temporal:
- start: 1207
  end: 1255
  type: life_span
- start: 1227
  end: 1250
  type: flourished
titles: []
extra_info: []
assistant