Parse this person name:

Dex Jacobs, 1573-1650, flourished 1594-1609
user
first_name: Dex
last_name: Jacobs
middle_names: []
temporal:
- start: 1573
  end: 1650
  type: life_span
- start: 1594
  end: 1609
  type: flourished
titles: []
extra_info: []
assistant