Parse this person name:

Kerstin Staude, 1678-1739, flourished 1698-1721
user
first_name: Kerstin
last_name: Staude
middle_names: []
temporal:
- start: 1678
  end: 1739
  type: life_span
- start: 1698
  end: 1721
  type: flourished
titles: []
extra_info: []
assistant