19 And these are the generations of Isaac, Abraham's son: Abraham begat Isaac:
Genesis 25:19 Cross References - Webster
1 Chronicles 1:32
32 Now the sons of Keturah, Abraham's concubine: she bore Zimran, and Jokshan, and Medan, and Midian, and Ishbak, and Shuah. And the sons of Jokshan; Sheba, and Dedan.
Matthew 1:2
2 Abraham begat Isaac; and Isaac begat Jacob; and Jacob begat Judah and his brethren;
Luke 3:34
34 Who was the son of Jacob, who was the son of Isaac, who was the son of Abraham, who was the son of Terah, who was the son of Nahor,
Acts 7:8
8 And he gave him the covenant of circumcision. And so Abraham begat Isaac, and circumcised him the eighth day; and Isaac begat Jacob, and Jacob begat the twelve patriarchs.