Parse this person name:

Bienvenida H. Buenaventura Marciano Castells, Segovia, flourished 1489-1494
user
first_name: Bienvenida
last_name: Castells
middle_names:
- H.
- Buenaventura
- Marciano
temporal:
- start: 1489
  end: 1494
  type: flourished
titles: []
extra_info:
- Segovia
assistant