Parse this person name:

Richard Alexandria F. Marine Maggie R. Legrand, Saint Joseph, flourished 1401-1433
user
first_name: Richard
last_name: Legrand
middle_names:
- Alexandria
- F.
- Marine
- Maggie
- R.
temporal:
- start: 1401
  end: 1433
  type: flourished
titles: []
extra_info:
- Saint Joseph
assistant