Parse this person name:

Cal Cal, Ester J. Y. Z. N., 1491-1555
user
first_name: Ester
last_name: Cal Cal
middle_names:
- J.
- Y.
- Z.
- N.
temporal:
- start: 1491
  end: 1555
  type: life_span
titles: []
extra_info: []
assistant