Parse this person name:

Yvonne Green, 1209-1271, flourished 1230-1256
user
first_name: Yvonne
last_name: Green
middle_names: []
temporal:
- start: 1209
  end: 1271
  type: life_span
- start: 1230
  end: 1256
  type: flourished
titles: []
extra_info: []
assistant