Parse this person name:

Beth Williams, 1450-1517, flourished 1466-1494
user
first_name: Beth
last_name: Williams
middle_names: []
temporal:
- start: 1450
  end: 1517
  type: life_span
- start: 1466
  end: 1494
  type: flourished
titles: []
extra_info: []
assistant