Parse this person name:

Sibylla Pergande, 1550-1604, flourished 1580-1599
user
first_name: Sibylla
last_name: Pergande
middle_names: []
temporal:
- start: 1550
  end: 1604
  type: life_span
- start: 1580
  end: 1599
  type: flourished
titles: []
extra_info: []
assistant