The last member of it, Simon the Just (either Simon I., who died about 300 B.C., or Simon II., who died about 200 B.C.), was the first of the next series, called Elders, represented in the tradition by pairs of teachers, ending with Hillel and Shammai about the beginning of the Christian era.
Many if not all of the professed rabbis had travelled outside Palestine: some were even members of the dispersion, like Hillel the Babylonian, who with Shammai forms the second of the pairs.
Hillel also inculcated the duty of making converts to Judaism.
Of Jamnia (Jabne Yebneh) had been raised to this dignity a century before, and, as members of the house of Hillel and thus descendants of David, the patriarchs enjoyed almost royal authority.
Gamaliel I., a grandson of Hillel, and like him designated Ha-Zagen (the Elder), by which is apparently indicated that he was numbered among the Sanhedrin, the high council of Jerusalem.