Parse this person name:

Jens Kruschwitz, 1288-1340, flourished 1304-1328
user
first_name: Jens
last_name: Kruschwitz
middle_names: []
temporal:
- start: 1288
  end: 1340
  type: life_span
- start: 1304
  end: 1328
  type: flourished
titles: []
extra_info: []
assistant