Parse this person name:

Dries Luitgardis van Neustrië, Juul Elena, died 1572
user
first_name: Juul
last_name: Dries Luitgardis van Neustrië
middle_names:
- Elena
temporal:
- start: null
  end: 1572
  type: life_span
titles: []
extra_info: []
assistant