Isabel was the daughter of unknown parents. The date and place of her birth have not been found.
She died about 1462. The place is not known.
Her husband was Alonso II Tenório de Silva. They were married, but the date and place have not been found. They had no known children.
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | ABT 1462 |
|
Note 1
Daughter of Juan Rodríguez de Castañeda, señor de Las Hormazas and Juana de Guzmán, Señora de Palos