Parse this person name:

Phelps, William Christina Monica Pamela Leslie., North Larry (1811-1833)
user
first_name: William
last_name: Phelps
middle_names:
- Christina
- Monica
- Pamela
- Leslie
temporal:
- start: 1811
  end: 1833
  type: life_span
titles: []
extra_info:
- North Larry
assistant