Parse this person name:

Valentine Seguin, 1620-1677, flourished 1646-1656
user
first_name: Valentine
last_name: Seguin
middle_names: []
temporal:
- start: 1620
  end: 1677
  type: life_span
- start: 1646
  end: 1656
  type: flourished
titles: []
extra_info: []
assistant