Parse this person name:

Gentry Johnson, Kirk Angie C. X. S. M., 1228-1272
user
first_name: Kirk
last_name: Gentry Johnson
middle_names:
- Angie
- C.
- X.
- S.
- M.
temporal:
- start: 1228
  end: 1272
  type: life_span
titles: []
extra_info: []
assistant