Parse this person name:

Kathryn Roberson, 1687-1739, flourished 1705-1720
user
first_name: Kathryn
last_name: Roberson
middle_names: []
temporal:
- start: 1687
  end: 1739
  type: life_span
- start: 1705
  end: 1720
  type: flourished
titles: []
extra_info: []
assistant