Josh McDowell
The New Evidence That Demands a Verdict • #5 Son of Isaac
God eliminates half of Abraham lineage — Ishmael excluded, Isaac chosen; narrows Messianic line
Son of Isaac
God specified that the promised line would flow through Isaac, not Ishmael.
Old Testament
Genesis 21:12
Through Isaac that your offspring will be reckoned.
New Testament
Luke 3:34
the son of Jacob, the son of Isaac, the son of Abraham, the son of Terah.
Why This Matters
God specified that the promised line would flow through Isaac, not Ishmael. Luke's genealogy confirms Jesus descends through Isaac — the child of promise. God's covenant faithfulness is traced through every generation.
Reflection
Lord Jesus, through Son of Isaac I see how Your coming was no accident — a covenant line stretching from Genesis 21:12 to Luke 3:34.
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