'Conceived' in the Bible

When he had contemplated this, an angel of the Lord appeared to him in a dream and said, "Joseph, son of David, do not be afraid to take Mary as your wife, because the child conceived in her is from the Holy Spirit.

At the end of eight days, when he was circumcised, he was named Jesus, the name given by the angel before he was conceived in the womb.

Not only that, but when Rebekah had conceived children by one man, our ancestor Isaac --