@Isaac Rafanellum Abravanel
have read elsewhere that Isaac was Samuel"s son by another unknown woman and that either he was an illegitimate son of a mistress or the eldest son of another woman whom Samuel married before Bienvenida. Samuel did leave instructions in his will that this son inheritance depended on his marrying a woman of Bienvenidas choice so it appears that she raised him and acted as his stepmother but they are probably not genetically related.
