Parse this person name:

Richard Lorraine Morvan, Allard-la-Forêt, flourished 1246-1259
user
first_name: Richard
last_name: Morvan
middle_names:
- Lorraine
temporal:
- start: 1246
  end: 1259
  type: flourished
titles: []
extra_info:
- Allard-la-Forêt
assistant