Parse this person name:

Vajèn Gervais (1736-1793, flourished 1755-1768)
user
first_name: Vajèn
last_name: Gervais
middle_names: []
temporal:
- start: 1736
  end: 1793
  type: life_span
- start: 1755
  end: 1768
  type: flourished
titles: []
extra_info: []
assistant