Parse this person name:

Cummings, John Melanie H.., Abbottside (1815-1862)
user
first_name: John
last_name: Cummings
middle_names:
- Melanie
- H.
temporal:
- start: 1815
  end: 1862
  type: life_span
titles: []
extra_info:
- Abbottside
assistant