11 By faith (A)Sarah herself received power to conceive, even when she was past the age, since she considered (B)him faithful who had promised.
22 For it is written that Abraham had two sons, (A)one by a slave woman and (B)one by a free woman.
The Holy Bible, English Standard Version. ESV® Text Edition: 2016. Copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.