Parse this person name:

Demi Luitgardis van Neustrië, 1760-1827, flourished 1779-1808
user
first_name: Demi
last_name: Luitgardis van Neustrië
middle_names: []
temporal:
- start: 1760
  end: 1827
  type: life_span
- start: 1779
  end: 1808
  type: flourished
titles: []
extra_info: []
assistant