Parse this person name:

Dom Frédéric Valentin, Saint Éric-sur-Mer, 1807-1867
user
first_name: Frédéric
last_name: Valentin
middle_names: []
temporal:
- start: 1807
  end: 1867
  type: life_span
titles:
- Dom
extra_info:
- Saint Éric-sur-Mer
assistant