Complex sentence: The text was then verified, vocalized, and provided with Masoretic notes by Aaron ben Moses ben Asher, the last and most prominent member of the ben Asher dynasty of grammarians from Tiberias, rivals to the ben Naphtali school.
Split into simpler sentences: The text was then verified, vocalized, and provided with Masoretic notes by Aaron ben Asher. Ben-Asher was the last and most prominent member of the Ben-Asher dynasty of grammarians from Tiberias, rivals to the Ben-Naphtali school.