Parse this person name:

Martinez Petit, Gilles Nathalie I. U. Y., 1725-1759
user
first_name: Gilles
last_name: Martinez Petit
middle_names:
- Nathalie
- I.
- U.
- Y.
temporal:
- start: 1725
  end: 1759
  type: life_span
titles: []
extra_info: []
assistant