Daisy Bates stated that under the system, each Noongar was placed in the same class as their mother, and no Noongar was permitted to marry someone of the same class as themselves.
Daisy Bates sagt, dass jeder Noongar in die gleiche Schicht wie seine Mutter platziert wird und kein Noongar jemand aus einer anderen Schicht heiraten darf.