Parse this person name:

César E. Dafne J. Eugenia Mercader (born 1323)
user
first_name: César
last_name: Mercader
middle_names:
- E.
- Dafne
- J.
- Eugenia
temporal:
- start: 1323
  end: null
  type: life_span
titles: []
extra_info: []
assistant