'Childless' in the Bible

And Abram said, O Lord Jehovah, what wilt thou give me, seeing I go childless, and he that shall be possessor of my house is Eliezer of Damascus?

And if a man shall lie with his uncle's wife, he hath uncovered his uncle's nakedness: they shall bear their sin; they shall die childless.

And if a man shall take his brother's wife, it is impurity: he hath uncovered his brother's nakedness; they shall be childless.

And Samuel said, As thy sword hath made women childless, so shall thy mother be childless among women. And Samuel hewed Agag in pieces before Jehovah in Gilgal.

Therefore deliver up their children to the famine, and give them over to the power of the sword; and let their wives become childless, and widows; and let their men be slain of death, and their young men smitten of the sword in battle.