Romans 9:6-9 to Genesis 21:12

NT Text: Romans 9:6

OT Source(s):

• Genesis 21:12 ("Through Isaac shall your offspring be named")
• Genesis 18:10 ("I will return... and Sarah shall have a son")

Source: Treasury of Scripture Knowledge

Reference Type: Direct Quotation

Connection Method(s): Promise-Fulfillment + Typology

Significance: Paul establishes the principle of election within Israel itself. God's promise to Abraham was specifically through Isaac, not Ishmael, demonstrating that physical descent alone does not guarantee promise fulfillment.