Parse this person name:

Alexandre Jean, 1708-1778, flourished 1735-1753
user
first_name: Alexandre
last_name: Jean
middle_names: []
temporal:
- start: 1708
  end: 1778
  type: life_span
- start: 1735
  end: 1753
  type: flourished
titles: []
extra_info: []
assistant