When the Mosaic Law was inaugurated, Levite males were taken in exchange for the firstborn of every non - Levite family.
Kad stājās spēkā Mozus bauslība, Levija cilts vīrieši tika paņemti to pirmdzimto vietā, kas nebija no šīs cilts. * (2. Mozus 22: 28; 4. Mozus 3: 11 — 16, 40 — 51.)