John Gills Exposition of the Bible Commentary - Genesis 4:20
And Adah bare Jabal ,.... According to Hillerus F13 Onomastic. Sacr. p. 35,45, 349. , this name, and Jubal and Tubal, after mentioned, all signify a river; why Lamech should call all his sons by names signifying the same thing, is not easy to say. He was the father of such as dwelt in tents, and of such as have cattle : not in a proper sense the father of them, though his posterity might succeed him in the same business; but he was the first author and inventor of tents or... read more
Matthew Henry's Complete Commentary - Genesis 4:19-22
We have here some particulars concerning Lamech, the seventh from Adam in the line of Cain. Observe, I. His marrying two wives. It was one of the degenerate race of Cain who first transgressed that original law of marriage that two only should be one flesh. Hitherto one man had but one wife at a time; but Lamech took two. From the beginning it was not so. Mal. 2:15; Matt. 19:5. See here, 1. Those who desert God's church and ordinances lay themselves open to all manner of temptation. 2. When a... read more