Genesis 15:3
Abram continued, “Behold, You have given me no offspring, so a servant in my household will be my heir.”
Berean Standard Bible
And Abram said, Behold, to me thou hast given no seed: and, lo, one born in my house is mine heir.
Abram said, “Behold, you have given no children to me: and, behold, one born in my house is my heir.”