'Sons' in the Bible

And behold, one who resembled the sons of men touched my lips. Then I opened my mouth and spoke and said to him who was standing before me, “O my lord, because of the vision anguish has come upon me, and I have retained no strength.

“His sons will prepare for battle and assemble a multitude of great forces; which will keep on coming and overflow [the land], and pass through, so that they may again wage war as far as his fortress.