Matthew 1:2
Abraham was the father of Isaac; Isaac was the father of Jacob; Jacob, of Judah and his brethren;
Acts 7:8
"Then he gave him a covenant of circumcision, and under this covenant he became the father of Isaac, whom he circumcised on the eighth day, and Isaac became the father of Jacob, and Jacob became the father of the twelve Patriarchs.
Romans 9:7
they are not all children of Abraham because they are Abraham's descendants. The promise was, In Isaac shall thy posterity be called.
Hebrews 11:18
of whom it had been said, It is through Isaac that your posterity will be traced.
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