Parse this person name:

Jeffery Blankenship, 1754-1834, flourished 1784-1797
user
first_name: Jeffery
last_name: Blankenship
middle_names: []
temporal:
- start: 1754
  end: 1834
  type: life_span
- start: 1784
  end: 1797
  type: flourished
titles: []
extra_info: []
assistant