Parse this person name:

Le Goff, Denise Alexandre U.., Sainte Frédéric (1766-1793)
user
first_name: Denise
last_name: Le Goff
middle_names:
- Alexandre
- U.
temporal:
- start: 1766
  end: 1793
  type: life_span
titles: []
extra_info:
- Sainte Frédéric
assistant