Parse this person name:

Nazaret Isern'Yáñez (1339-1419, flourished 1364-1394)
user
first_name: Nazaret
last_name: Isern'Yáñez
middle_names: []
temporal:
- start: 1339
  end: 1419
  type: life_span
- start: 1364
  end: 1394
  type: flourished
titles: []
extra_info: []
assistant