The descendants of Judah: according to their family records by their clans and their ancestral houses, counting the names of those 20 years old or more, everyone who could serve in the army,
Then He gave him the covenant of circumcision. After this, he fathered Isaac and circumcised him on the eighth day; Isaac did the same with Jacob, and Jacob with the 12 patriarchs.
By faith even Sarah herself, when she was unable to have children, received power to conceive offspring, even though she was past the age, since she considered that the One who had promised was faithful.