Parse this person name:

Tammerijn de Vries, Senna T. Keano O. U., born 1746
user
first_name: Senna
last_name: Tammerijn de Vries
middle_names:
- T.
- Keano
- O.
- U.
temporal:
- start: 1746
  end: null
  type: life_span
titles: []
extra_info: []
assistant