Parse this person name:

Kreszentia Ring, 1236-1310, flourished 1255-1281
user
first_name: Kreszentia
last_name: Ring
middle_names: []
temporal:
- start: 1236
  end: 1310
  type: life_span
- start: 1255
  end: 1281
  type: flourished
titles: []
extra_info: []
assistant