Parse this person name:

Théodore Margaux Nathalie Laroche, Sainte Richard, flourished 1380-1406
user
first_name: Théodore
last_name: Laroche
middle_names:
- Margaux
- Nathalie
temporal:
- start: 1380
  end: 1406
  type: flourished
titles: []
extra_info:
- Sainte Richard
assistant