Parse this person name:

Henri Rocher (1703-1746, flourished 1730-1741)
user
first_name: Henri
last_name: Rocher
middle_names: []
temporal:
- start: 1703
  end: 1746
  type: life_span
- start: 1730
  end: 1741
  type: flourished
titles: []
extra_info: []
assistant