Parse this person name:

Oxana Schleich (1208-1260, flourished 1237-1251)
user
first_name: Oxana
last_name: Schleich
middle_names: []
temporal:
- start: 1208
  end: 1260
  type: life_span
- start: 1237
  end: 1251
  type: flourished
titles: []
extra_info: []
assistant