They apparently acquired their riches through their monopoly on the sale of essentials for sacrifices in the temple precincts, such as doves, sheep, oil, and wine.
Ilmselt oli see suguvõsa oma varanduse kokku kuhjanud seeläbi, et hoidis enda käes ohvritalitustel vajamineva — näiteks tuvide, lammaste, õli, veini — templialal müümise monopoli.