Genesis 4:18

Now to Enoch was born Irad, and Irad was the father of Mehujael, and Mehujael was the father of Methusael, and Methusael was the father of Lamech.

And unto Enoch was born Irad: and Irad begat Mehujael: and Mehujael begat Methusael: and Methusael begat Lamech.