Parse this person name:

Helen Roht, 1629-1709, flourished 1656-1681
user
first_name: Helen
last_name: Roht
middle_names: []
temporal:
- start: 1629
  end: 1709
  type: life_span
- start: 1656
  end: 1681
  type: flourished
titles: []
extra_info: []
assistant