Parse this person name:

Gretel Wieloch, 1470-1538, flourished 1497-1518
user
first_name: Gretel
last_name: Wieloch
middle_names: []
temporal:
- start: 1470
  end: 1538
  type: life_span
- start: 1497
  end: 1518
  type: flourished
titles: []
extra_info: []
assistant