Parse this person name:

Xavier Williams, 1657-1734, flourished 1675-1701
user
first_name: Xavier
last_name: Williams
middle_names: []
temporal:
- start: 1657
  end: 1734
  type: life_span
- start: 1675
  end: 1701
  type: flourished
titles: []
extra_info: []
assistant