19 And Lamech married two women, one named Adah and the other Zillah.
Genesis 4:19 Cross References - BSB
Genesis 2:18
18 The LORD God also said, “It is not good for the man to be alone. I will make for him a suitable helper.”
Genesis 2:24
24 For this reason a man will leave his father and mother and be united to his wife, and they will become one flesh.
Matthew 19:4-6
4 Jesus answered, “Have you not read that from the beginning the Creator ‘made them male and female,’
5 and said, ‘For this reason a man will leave his father and mother and be united to his wife, and the two will become one flesh’?
6 So they are no longer two, but one flesh. Therefore what God has joined together, let man not separate.”
Matthew 19:8
8 Jesus replied, “Moses permitted you to divorce your wives because of your hardness of heart; but it was not this way from the beginning.