Parse this person name:

Riggs Palmer, Christina Cody Amy B. J., 1849-1917
user
first_name: Christina
last_name: Riggs Palmer
middle_names:
- Cody
- Amy
- B.
- J.
temporal:
- start: 1849
  end: 1917
  type: life_span
titles: []
extra_info: []
assistant