'Begotten' in the Bible

For to which of the angels said he ever, Thou art my Son: this day have I begotten thee? and again, I will be to him for father, and he shall be to me for son?

Thus the Christ also has not glorified himself to be made a high priest; but he who had said to him, Thou art my Son, I have to-day begotten thee.

By faith Abraham, when tried, offered up Isaac, and he who had received to himself the promises offered up his only begotten son,