Parse this person name:

Regina Williams (1204-1246, flourished 1225-1241)
user
first_name: Regina
last_name: Williams
middle_names: []
temporal:
- start: 1204
  end: 1246
  type: life_span
- start: 1225
  end: 1241
  type: flourished
titles: []
extra_info: []
assistant