Parse this person name:

Jens Vermeulen (1273-1345, flourished 1296-1315)
user
first_name: Jens
last_name: Vermeulen
middle_names: []
temporal:
- start: 1273
  end: 1345
  type: life_span
- start: 1296
  end: 1315
  type: flourished
titles: []
extra_info: []
assistant