For as long as the son of Jesse lives upon the ground, you shall not be established, nor your kingdom. Therefore now send and fetch him unto me, for he shall surely die.
All Commentaries on 1 Samuel 20:31 Go To 1 Samuel 20
George Leo Haydock
The son of death. That is, one that deserveth death, and shall surely be put to death. (Challoner)
So people are often styled sons of perdition, of hell, of light, (Calmet) when they are worthy of such things. (Haydock)
All the crime of David, was his too exalted merit, which, under a jealous prince, is often fatal. Nec minus periculum ex magnâ famâ, quam ex malâ. (Tacitus, Agricola.)