Parse this person name:

Christopher Marsh, 1606-1683, flourished 1621-1641
user
first_name: Christopher
last_name: Marsh
middle_names: []
temporal:
- start: 1606
  end: 1683
  type: life_span
- start: 1621
  end: 1641
  type: flourished
titles: []
extra_info: []
assistant