Genesis 25:21

And Isaac beseeched the Lord on behalf of his wife, because she was barren. And he heard him, and he gave conception to Rebekah

Other versions

King James Version

And Isaac intreated the LORD for his wife, because she was barren: and the LORD was intreated of him, and Rebekah his wife conceived.

English Standard Version

And Isaac prayed to the LORD for his wife, because she was barren. And the LORD granted his prayer, and Rebekah his wife conceived.

New International Version

Isaac prayed to the LORD on behalf of his wife, because she was barren. The LORD answered his prayer, and his wife Rebekah became pregnant.