'Begotten' in the Bible

For to which of the messengers said He ever, 'My Son thou art -- I to-day have begotten thee?' and again, 'I will be to him for a father, and he shall be to Me for a son?'

so also the Christ did not glorify himself to become chief priest, but He who spake unto him: 'My Son thou art, I to-day have begotten thee;'

wherefore, also from one were begotten -- and that of one who had become dead -- as the stars of the heaven in multitude, and as sand that is by the sea-shore -- the innumerable.

By faith Abraham hath offered up Isaac, being tried, and the only begotten he did offer up who did receive the promises,