Parse this person name:

Gene Jefferson (1696-1767, flourished 1721-1735)
user
first_name: Gene
last_name: Jefferson
middle_names: []
temporal:
- start: 1696
  end: 1767
  type: life_span
- start: 1721
  end: 1735
  type: flourished
titles: []
extra_info: []
assistant