Parse this person name:

William Lamb, 1696-1770, flourished 1721-1750
user
first_name: William
last_name: Lamb
middle_names: []
temporal:
- start: 1696
  end: 1770
  type: life_span
- start: 1721
  end: 1750
  type: flourished
titles: []
extra_info: []
assistant