In Lamentations 5:2, the phrase 'our inheritance is turned to strangers' signifies the truths of the church converted into falsities, and 'our houses to aliens' signifies the good of the church turned into evils.

(Odkazy: Apocalypse Explained 654)

533. Since nothing further is mentioned about Lamech apart from the fact that be beget sons and daughters, who are the conceptions and births of such a Church, there is no need to pause any longer over him. What these births, or sons and daughters, were, becomes clear from the Church, for the character of a Church determines that of its offspring. Both those Churches called Methuselah and Lamech breathed their last just before the flood.