rigs gter rang 'grel

six enlightened families of Kriya tantra [RY]

1) six classes of beings, six realms, six families, the six kinds / classes [of beings], the six realms [the suffering of the six realms]; 2) The six families are the five buddha families with the sixth being the dharmakaya, six enlightened families of Kriya tantra [RY]

six classes of beings, six realms/lokas, six families [IW]

six classes/ states of ordinary being(s) [RB]

six classes of beings, six realms/lokas, six families [lokas: gods, asuras, humans, animals, pretas, hell beings; six families are the five buddha families with the 6th being the dharmakaya, six enlightened families of Kriy tantra] [IW]

six (realms, families) (chos sku as 6th), 6 lokas [JV]