Parse this person name:

Margot U. Claire L. Royer, Sainte Juliette-les-Bains, flourished 1666-1689
user
first_name: Margot
last_name: Royer
middle_names:
- U.
- Claire
- L.
temporal:
- start: 1666
  end: 1689
  type: flourished
titles: []
extra_info:
- Sainte Juliette-les-Bains
assistant