Parse this person name:

Julian Lensen (1385-1446, flourished 1405-1417)
user
first_name: Julian
last_name: Lensen
middle_names: []
temporal:
- start: 1385
  end: 1446
  type: life_span
- start: 1405
  end: 1417
  type: flourished
titles: []
extra_info: []
assistant