Parse this person name:

Éric Mathilde Joséphine Lesage, Saint GenevièveBourg, 1503-1574
user
first_name: Éric
last_name: Lesage
middle_names:
- Mathilde
- Joséphine
temporal:
- start: 1503
  end: 1574
  type: life_span
titles: []
extra_info:
- Saint GenevièveBourg
assistant