Parse this person name:

Eleanora Gradenigo (1522-1597, flourished 1539-1552)
user
first_name: Eleanora
last_name: Gradenigo
middle_names: []
temporal:
- start: 1522
  end: 1597
  type: life_span
- start: 1539
  end: 1552
  type: flourished
titles: []
extra_info: []
assistant