Parse this person name:

Johnston, Elizabeth H. Christine Shelly F.., Melissaside (1711-1774)
user
first_name: Elizabeth
last_name: Johnston
middle_names:
- H.
- Christine
- Shelly
- F.
temporal:
- start: 1711
  end: 1774
  type: life_span
titles: []
extra_info:
- Melissaside
assistant