'Whether' in the Bible

He said, "While the child was yet alive, I fasted and wept; for I said, 'Who knows whether Yahweh will not be gracious to me, that the child may live?'

Ittai answered the king, and said, "As Yahweh lives, and as my lord the king lives, surely in what place my lord the king shall is, whether for death or for life, even there also will your servant be."