`And a son of eight days is circumcised by you; every male to your generations, born in the house, or bought with money from any son of a stranger, who is not of thy seed;
And when eight days were fulfilled to circumcise the child, then was his name called Jesus, having been so called by the messenger before his being conceived in the womb.
`And He gave to him a covenant of circumcision, and so he begat Isaac, and did circumcise him on the eighth day, and Isaac begat Jacob, and Jacob--the twelve patriarchs;