Parse this person name:

Roodesteijn van Kusen, Mila L. Jay, 1806-1859
user
first_name: Mila
last_name: Roodesteijn van Kusen
middle_names:
- L.
- Jay
temporal:
- start: 1806
  end: 1859
  type: life_span
titles: []
extra_info: []
assistant