Parse this person name:

Urszula Oestrovsky, 1351-1426, flourished 1367-1390
user
first_name: Urszula
last_name: Oestrovsky
middle_names: []
temporal:
- start: 1351
  end: 1426
  type: life_span
- start: 1367
  end: 1390
  type: flourished
titles: []
extra_info: []
assistant