Parse this person name:

Ernestine Ernst (1485-1557, flourished 1511-1534)
user
first_name: Ernestine
last_name: Ernst
middle_names: []
temporal:
- start: 1485
  end: 1557
  type: life_span
- start: 1511
  end: 1534
  type: flourished
titles: []
extra_info: []
assistant