For I have told him that I will judge his house for ever for the iniquity which he knoweth; because his sons made themselves vile, and he restrained them not.
I will judge his house - i:e., I will punish (cf. Genesis 15:14) his posterity (cf. 2 Samuel 7:2; 1 Kings 21:29).
For ever - or, for a long time, as the phrase generally signifies in the early historical books.
For the iniquity which he knoweth; because his sons made themselves vile, х 'ªsher (H834) yaada`
(H3045) kiy (H3588) mªqalliym (H7043) laahem (H3807a) baanaayw (H1121)] - because he knew that his sons were bringing a curse upon themselves [the verb is used reflectively with lª- (the Hebrew preposition)]. And he restrained them not, х wªlo' (H3808) kihaah (H3543) baam (H871a)] - and he rebuked them not.