Parse this person name:

Lot Vrancken (1426-1468, flourished 1442-1456)
user
first_name: Lot
last_name: Vrancken
middle_names: []
temporal:
- start: 1426
  end: 1468
  type: life_span
- start: 1442
  end: 1456
  type: flourished
titles: []
extra_info: []
assistant