Parse this person name:

Greta Junk (1409-1464, flourished 1425-1449)
user
first_name: Greta
last_name: Junk
middle_names: []
temporal:
- start: 1409
  end: 1464
  type: life_span
- start: 1425
  end: 1449
  type: flourished
titles: []
extra_info: []
assistant