Parse this person name:

Brandon G. Jennifer Robert Derek Cox-Day, Port Kelseyton, 1728-1782
user
first_name: Brandon
last_name: Cox-Day
middle_names:
- G.
- Jennifer
- Robert
- Derek
temporal:
- start: 1728
  end: 1782
  type: life_span
titles: []
extra_info:
- Port Kelseyton
assistant