19 And Lamech taketh to himself two wives, the name of the one Adah, and the name of the second Zillah.
Genesis 4:19 Cross References - YLT
Genesis 2:18
18 And Jehovah God saith, `Not good for the man to be alone, I do make to him an helper—as his counterpart.'
Genesis 2:24
24 therefore doth a man leave his father and his mother, and hath cleaved unto his wife, and they have become one flesh.
Matthew 19:4-6
4 And he answering said to them, `Did ye not read, that He who made them, from the beginning a male and a female made them,
5 and said, For this cause shall a man leave father and mother, and cleave to his wife, and they shall be—the two—for one flesh?
6 so that they are no more two, but one flesh; what therefore God did join together, let no man put asunder.'
Matthew 19:8
8 He saith to them—`Moses for your stiffness of heart did suffer you to put away your wives, but from the beginning it hath not been so.