Parse this person name:

Jeffrey Arnold, 1541-1584, flourished 1569-1579
user
first_name: Jeffrey
last_name: Arnold
middle_names: []
temporal:
- start: 1541
  end: 1584
  type: life_span
- start: 1569
  end: 1579
  type: flourished
titles: []
extra_info: []
assistant